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Full vulnerability report · 2025
CVE-2024-51979High confidence

Authenticated stack based buffer overflow affecting multiple models from Brother Industries, Ltd, FUJIFILM Business Innovation, Ricoh, and Konica Minolta, Inc.

Brother Industries, Ltd · HL-L8260CDN

7.2HighCVSS 3.1
Recommended action
Within 7 days

High technical severity with public exploit material referenced by a structured source; prioritise exposed affected systems while verifying vendor guidance.

Fix not verified
R
Operational reassessment

Published severity in operational context

Open reassessment dashboard →
Published severityHighOperational priority:Critical, raised one band.upgradedsince 7 Apr 2026

Evidence used

  • No CISA KEV confirmation is currently recorded.
  • A structured source references public exploit or proof-of-concept material.
  • EPSS is 1.14% for the current model date.

Compensating controls

  • Restrict the affected network interface to trusted sources where business-safe.
  • Increase monitoring for the attack path and post-exploitation behaviour described in the report.

Verification

  1. Confirm that the asset runs Brother Industries, Ltd HL-L8260CDN and falls inside the recorded affected range.
  2. Recheck the vendor advisory before scheduling a change because no verified fixed version is currently retained.
  3. Validate exposure, authentication requirements and compensating controls in the actual environment.
  4. Reopen this reassessment when CVSS, KEV, EPSS, exploit evidence or remediation changes.
Mitigation target: Within 3 daysRemediation target: Within 90 days

This automated reassessment organises public evidence. It does not know asset exposure, business impact or control effectiveness and does not replace CVSS or a human risk decision.

Optional official sources

National CERT insights
?CERT means Computer Emergency Response Team; CSIRT is the closely related term Computer Security Incident Response Team.

Choose official national sources for this report. Each advisory shows its original language. Your selection is remembered on this device and included in shared links.

Official European source

ENISA European Vulnerability Database

Official EUVD identifiers, advisory evidence and known-exploited context. Missing fields are not treated as evidence of low risk.

1 current
ENISA EUVD identifier

EUVD-2024-54699

No EUVD known-exploited evidence

ENISA has published the identifier mapping but no EUVD description has been stored yet.

EUVD state
Present in the current official mapping
Known exploitation
Not present in the current ENISA EUVD known-exploited dataset. This is not proof of no exploitation.
ENISA score
Not supplied in the stored EUVD record
Advisory evidence
No linked advisory details stored yet
Recommended actionWithin 7 days

High technical severity with public exploit material referenced by a structured source; prioritise exposed affected systems while verifying vendor guidance.

Fix not verified
01

What, why and how

An authenticated attacker may trigger a stack based buffer overflow by performing a malformed request to either the HTTP service (TCP port 80), the HTTPS service (TCP port 443), or the IPP service (TCP port 631). The malformed request will contain an empty Origin header value and a malformed Referer header value. The Referer header value will trigger a stack based buffer overflow when the host value in the Referer header is processed and is greater than 64 bytes in length.

What

An authenticated attacker may trigger a stack based buffer overflow by performing a malformed request to either the HTTP service (TCP port 80), the HTTPS service (TCP port 443), or the IPP service (TCP port 631). The malformed request will contain an empty Origin header value and a malformed Referer header value. The Referer header value will trigger a stack based buffer overflow when the host value in the Referer header is processed and is greater than 64 bytes in length.

Why

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

How

An attacker operating through a network path may attempt exploitation with elevated privileges. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.

What

An authenticated attacker may trigger a stack based buffer overflow by performing a malformed request to either the HTTP service (TCP port 80), the HTTPS service (TCP port 443), or the IPP service (TCP port 631). The malformed request will contain an empty Origin header value and a malformed Referer header value. The Referer header value will trigger a stack based buffer overflow when the host value in the Referer header is processed and is greater than 64 bytes in length.

Why

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

How

An attacker operating through a network path may attempt exploitation with elevated privileges. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.

02

Exploit reality and attack path

CVSS severity, EPSS forecast probability, public exploit material and CISA-confirmed exploitation are separate signals.

Observed exploitation
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
No confirmed evidence

No CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.

Public PoC / exploit material
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
Reference recorded

CISA Vulnrichment records proof-of-concept exploitation in its SSVC data. BlackTree has not independently executed or validated exploit material.

Likely attack path
a network path → Stack-based Buffer Overflow → cause the confidentiality, integrity or availability impact described by the vendor
Attack surface
Network
Privileges required
High: elevated access is required
User interaction
None
Attack complexity
Low: no specialised conditions are recorded
Security boundary
Unchanged: impact remains within the vulnerable component's security authority
Weakness
?CWE means Common Weakness Enumeration: a standard category for the underlying weakness.
CWE-121 ↗

CWE-121: Stack-based Buffer Overflow. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

CVSS vector
?CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Common Vulnerability Scoring System 3.1: the compact vector below is decoded into plain language.

AVNetworkAttack vector: The vulnerable component can be reached over a network.ACLowAttack complexity: No specialised conditions are required beyond attacker-controlled input.PRHighPrivileges required: The attacker needs elevated or administrative privileges.UINoneUser interaction: No action by another user is required.SUnchangedScope: The security impact remains within the vulnerable component's authority.CHighConfidentiality impact: A successful attack can cause a major loss.IHighIntegrity impact: A successful attack can cause a major loss.AHighAvailability impact: A successful attack can cause a major loss.
Post-exploitation / living off the land
No specific living-off-the-land technique is confirmed in the structured sources. Monitor normal administration tools for activity inconsistent with the affected service's baseline.
NetworkCWE-121Public exploit reference
A

Official authority intelligence

Only matched European and national findings are included. Language selectors and unavailable sources are omitted.

Canadian Centre for Cyber Security · English · AV25-392Brother security advisory (AV25-392)

On June 19 and 25, 2025, Brother, Toshiba, Ricoh, Fujifilm and Konica Minolta released security advisories to address vulnerabilities in multiple products.

Official advisory ↗
Cyber Security Agency of Singapore · English · CSA-SB-20250702Security Bulletin 02 JUL 2025

The Cyber Security Agency of Singapore included this CVE in its official Security Bulletin 02 JUL 2025, published on 2 July 2025. Open the linked bulletin for the product, severity and reference information published in that issue.

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2025-007519複数のブラザー製品における複数の脆弱性

ブラザー工業株式会社が提供する複数の製品には、次の複数の脆弱性が存在します。 　* 認可されていない制御領域への機微なシステム情報の漏えい（CWE-497） - CVE-2024-51977 　* 弱い認証情報の使用（CWE-1391） - CVE-2024-51978 　* スタックベースのバッファオーバーフロー（CWE-121） - CVE-2024-51979 　* サーバサイドリクエストフォージェリ（CWE-918） - CVE-2024-51980、CVE-2024-51981 　* 想定しないデータタイプの不適切な取扱い（CWE-241） - CVE-2024-51982 　* 動作ワークフローの不適切な強制（CWE-841） - CVE-2024-51983 　* 認証情報の保護が不十分（CWE-522） - CVE-2024-51984 この脆弱性情報は、Rapid7 Stephen Fewer 氏が製品開発者へ直接報告し、製品開発者の調整依頼に基づき JPCERT/CC が両者の調整を仲介しました。

Official advisory ↗
KISA KrCERT/CC · Korean · KNVD-6511프린터 및 복합기 제품군 보안 주의 권고

프린터 및 복합기 제품군에서 발생하는 스택 버퍼 오버플로 취약점(CVE-2024-51979) [1][2][3][4][12]

Official advisory ↗
03

Patch and workaround

Operational remediation based on structured source evidence.

Status
?Patch availability is based on structured fixed-version fields and authoritative update references. If no fix is verified, check the vendor advisory before making a change.
Fix not verified
Affected
  • HL-L8260CDN: ≤ 1.65(ZH)
  • HL-L8260CDW: ≤ 1.65(ZH)
  • HL-L8360CDW: ≤ 1.68(ZG)
  • HL-L8360CDWT: ≤ 1.68(ZG)
  • HL-L9310CDW: ≤ 1.68(ZG)
  • DCP-L8410CDW: ≤ ZK
  • MFC-L8610CDW: ≤ ZK
  • MFC-L8690CDW: ≤ ZK
  • MFC-L8900CDW: ≤ ZM
  • MFC-L9570CDW: ≤ ZM
  • MFC-L9577CDW: ≤ ZM
  • HL-L5210DN: 1.0 ≤ 1.14(H)
  • HL-L5212DN: ≤ 1.14(H)
  • HL-L5215DN: ≤ 1.14(H)
  • HL-L5210DW: 1.0 ≤ 1.14(H)
  • HL-L5210DWT: ≤ 1.14(H)
  • HL-L5212DW: ≤ 1.14(H)
  • HL-L5215DW: ≤ 1.14(H)
  • HL-L6210DW: ≤ 1.14(H)
  • HL-L6210DWT: ≤ 1.14(H)
  • HL-L6217DW: ≤ 1.14(H)
  • HL-L5218DN: ≤ 1.12(F)
  • HL-L5228DW: ≤ 1.12(F)
  • HL-L6310DW: 1.0 ≤ 1.16(G)
  • HL-L6410DN: ≤ 1.16(G)
  • HL-L6415DN: ≤ 1.16(G)
  • HL-L6412DW: ≤ 1.16(G)
  • HL-L6415DW: ≤ 1.16(G)
  • HL-L6415DWT: ≤ 1.16(G)
  • HL-L6418DW: ≤ 1.16(G)
  • HL-EX415DW: ≤ 1.16(G)
  • DCP-L5510DN: ≤ 1.18(J)
  • DCP-L5512DN: ≤ 1.18(J)
  • DCP-L5518DN: ≤ 1.18(J)
  • DCP-L5510DW: ≤ 1.18(J)
  • DCP-L5610DN: ≤ 1.18(J)
  • DCP-L5660DN: ≤ 1.18(J)
  • DCP-L5662DN: ≤ 1.18(J)
  • MFC-L5710DN: ≤ 1.18(J)
  • MFC-L5715DN: ≤ 1.18(J)
  • MFC-L5718DN: ≤ 1.18(J)
  • MFC-L5710DW: 1.0 ≤ 1.18(J)
  • MFC-L5715DW: ≤ 1.18(J)
  • MFC-L5717DW: ≤ 1.18(J)
  • MFC-L5728DW: ≤ 1.18(J)
  • MFC-L5912DW: ≤ 1.18(J)
  • MFC-L5915DW: ≤ 1.18(J)
  • MFC-L6710DW: ≤ 1.18(J)
  • MFC-L6720DW: ≤ 1.18(J)
  • MFC-L6810DW: ≤ 1.18(J)
  • MFC-L6910DN: ≤ 1.18(J)
  • MFC-L6915DN: ≤ 1.18(J)
  • MFC-L6912DW: ≤ 1.18(J)
  • MFC-L6915DW: ≤ 1.18(J)
  • MFC-EX910: ≤ 1.18(J)
  • MFC-EX915DW: ≤ 1.18(J)
  • MFC-L6820DW: ≤ 1.15(H)
  • HL-L9410CDN: ≤ 1.23(Q)
  • HL-L9430CDN: ≤ 1.23(Q)
  • HL-L9470CDN: ≤ 1.23(Q)
  • HL-EX470W: ≤ 1.23(Q)
  • MFC-L9610CDN: ≤ 1.22(S)
  • MFC-L9630CDN: ≤ 1.22(S)
  • MFC-L9635CDN: ≤ 1.22(S)
  • MFC-L9670CDN: ≤ 1.22(S)
  • MFC-EX670W: ≤ 1.22(S)
  • HL-L8245CDW: ≤ 1.15(L)
  • HL-L8240CDW: ≤ 1.15(L)
  • HL-L8230CDW: ≤ 1.15(L)
  • HL-L3295CDW: ≤ 1.15(L)
  • HL-L3288CDW: ≤ 1.15(L)
  • HL-L3280CDW: ≤ 1.15(L)
  • HL-L3240CDW: ≤ 1.06(F)
  • HL-L3220CWE: ≤ 1.06(F)
  • HL-L3220CW: ≤ 1.06(F)
  • HL-L3220CDW: ≤ 1.06(F)
  • HL-L3215CW: ≤ 1.06(F)
  • HL-L3228CDW: ≤ 1.11(J)
  • DCP-L3555CDW: ≤ 1.19(M)
  • DCP-L3560CDW: ≤ 1.19(M)
  • DCP-L3568CDW: ≤ 1.19(M)
  • MFC-L3720CDW: ≤ 1.19(M)
  • MFC-L3740CDW: ≤ 1.19(M)
  • MFC-L3740CDWE: ≤ 1.19(M)
  • MFC-L3755CDW: ≤ 1.19(M)
  • MFC-L3760CDW: ≤ 1.19(M)
  • MFC-L3765CDW: ≤ 1.19(M)
  • MFC-L3768CDW: ≤ 1.19(M)
  • MFC-L3780CDW: 1.0 ≤ 1.19(M)
  • MFC-L8340CDW: ≤ 1.19(M)
  • MFC-L8390CDW: ≤ 1.19(M)
  • MFC-L8395CDW: ≤ 1.19(M)
  • HL-L3300CDW: ≤ 1.16(L)
  • DCP-L3515CDW: ≤ 1.16(L)
  • DCP-L3520CDW: ≤ 1.16(L)
  • DCP-L3520CDWE: ≤ 1.16(L)
  • DCP-L3528CDW: ≤ 1.16(L)
  • HL-B2100D: ≤ 1.15(J)
  • HL-B2100DB: ≤ 1.15(J)
  • HL-B2150W: ≤ 1.15(J)
  • HL-B2180DW: ≤ 1.15(J)
  • HL-B2180DWB: ≤ 1.15(J)
  • HL-B2181DW: ≤ 1.15(J)
  • HL-L2400DW: ≤ 1.15(J)
  • HL-L2400DWE: ≤ 1.15(J)
  • HL-L2405W: ≤ 1.15(J)
  • HL-L2420DW: ≤ 1.15(J)
  • HL-L2425DW: ≤ 1.15(J)
  • HL-L2440DW: ≤ 1.15(J)
  • HL-L2445DW: ≤ 1.15(J)
  • HL-L2447DW: ≤ 1.15(J)
  • HL-L2460DN: ≤ 1.15(J)
  • HL-L2461DN: ≤ 1.15(J)
  • HL-L2460DW: ≤ 1.15(J)
  • HL-L2460DWXL: ≤ 1.15(J)
  • HL-L2467DW: ≤ 1.15(J)
  • HL-L2865DW: ≤ 1.15(J)
  • HL-B2158W: ≤ 1.13(E)
  • HL-B2188DW: ≤ 1.13(E)
  • DCP-L2600D: ≤ 1.20(J)
  • DCP-B7600DB: ≤ 1.20(J)
  • DCP-B7600D: ≤ 1.20(J)
  • DCP-L2627DWE: ≤ 1.20(J)
  • DCP-B7620DWB: ≤ 1.20(J)
  • DCP-B7620DW: ≤ 1.20(J)
  • DCP-L2627DW: ≤ 1.20(J)
  • DCP-B7640DWB: ≤ 1.20(J)
  • DCP-L2627DWXL: ≤ 1.20(J)
  • DCP-B7640DW: 1.0 ≤ 1.20(J)
  • DCP-L2605DW: ≤ 1.20(J)
  • HL-L2464DW: ≤ 1.20(J)
  • DCP-L2622DW: ≤ 1.20(J)
  • DCP-L2625DW: ≤ 1.20(J)
  • DCP-L2620DW: ≤ 1.20(J)
  • HL-L2475DW: ≤ 1.20(J)
  • HL-L2465DW: ≤ 1.20(J)
  • DCP-L2640DN: ≤ 1.20(J)
  • DCP-L2647DW: ≤ 1.20(J)
  • DCP-L2640DW: ≤ 1.20(J)
  • MFC-L2802DN: ≤ 1.20(J)
  • MFC-L2827DW: ≤ 1.20(J)
  • MFC-L2806DW: ≤ 1.20(J)
  • MFC-L2805DW: 1.0 ≤ 1.20(J)
  • MFC-L2802DW: ≤ 1.20(J)
  • MFC-L2800DW: ≤ 1.20(J)
  • MFC-L2765DW: ≤ 1.20(J)
  • MFC-L2760DW: ≤ 1.20(J)
  • MFC-B7800DN: ≤ 1.20(J)
  • MFC-B7811DW: ≤ 1.20(J)
  • MFC-B7810DWB: ≤ 1.20(J)
  • MFC-B7810DW: ≤ 1.20(J)
  • MFC-L2835DW: ≤ 1.20(J)
  • MFC-L2827DWXL: ≤ 1.20(J)
  • DCP-B7548W: ≤ 1.16(F)
  • DCP-B7558W: ≤ 1.16(F)
  • DCP-B7578DW: ≤ 1.16(F)
  • DCP-L2508DW: ≤ 1.16(F)
  • DCP-L2518DW: ≤ 1.16(F)
  • DCP-B7608W: ≤ 1.16(F)
  • DCP-B7628DW: ≤ 1.16(F)
  • DCP-B7638DN: ≤ 1.16(F)
  • DCP-B7648DW: ≤ 1.16(F)
  • DCP-L2628DW: ≤ 1.16(F)
  • DCP-L2548DW: ≤ 1.16(F)
  • DCP-L2648DW: ≤ 1.16(F)
  • DCP-L2600DW: ≤ 1.09(C)
  • FAX-L2800DW: ≤ 1.09(C)
  • 469 additional product groups retained in the authoritative source
Fixed
No fixed version is explicitly recorded in the structured CVE data.
Action
No verified patch reference is present in the current structured sources. Check the vendor advisory before making a change.
Workaround
No verified workaround is recorded. If business-safe, reduce exposure to the affected interface and allow only trusted sources until authoritative guidance is available.
04

Evidence and provenance

Published 25 Jun 2025 · Last source change 7 Apr 2026, 05:42 UTC · CWE-121 · Stack-based Buffer Overflow

CVE recordCVE.org · 5.2
CVSS sourceCNA
EPSS source
?The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.
FIRST · tracked since 2026-08-14
European sourceENISA EUVD · EUVD-2024-54699
Product sourceCNA
Remediation sourceCVE/CNA references
CWE sourceCNA
NVD statusNVD not scheduled

Core structured fields are present and their contributing authorities are shown above.

Material change intelligence

What changed after publication

View recent updates ↗

No material field changes have been recorded since change tracking began. Routine source refreshes and cosmetic edits are intentionally excluded.

Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
CVE published
ENISA EUVD · EUVD-2024-54699↗CISA Vulnrichment SSVC evidence↗CVE authority or vendor reference↗Official CVE record (CNA and ADP data)↗NVD record↗
Technical terms and abbreviations used in this report
CVE
Common Vulnerabilities and Exposures: the public identifier for one disclosed vulnerability.
CVSS
Common Vulnerability Scoring System: a technical severity framework; it is not patching priority by itself.
EPSS
Exploit Prediction Scoring System: FIRST's estimate of the probability that exploitation activity will be observed in the next 30 days; it is a forecast, not confirmation.
CWE
Common Weakness Enumeration: the standard category describing the underlying software or hardware weakness.
CNA
CVE Numbering Authority: an organisation authorised to assign and publish CVE records.
CISA ADP
Cybersecurity and Infrastructure Security Agency Authorized Data Publisher: structured enrichment added to a CVE record.
NVD
National Vulnerability Database: NIST's enrichment service for CVE records.
CERT / CSIRT
A computer security incident response team that publishes warnings or coordinates incident response.
PoC
Proof of concept: public material that demonstrates or helps reproduce exploitation.
CSAF
Common Security Advisory Framework: a machine-readable format for security advisories.
LoTL
Living off the land: abuse of legitimate tools or system functions during an attack.
Free version - for non-commercial use only.CVE-2024-51979 · cve.blacktree.nl