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CVE-2026-4534 - Vulnerability Analysis

HighCVSS: 8.8

Last Updated: March 22, 2026

Tenda FH451 - Buffer Overflow

Published: March 22, 2026Updated: March 22, 2026Remote Exploitable

Overview

Tenda FH451 1.0.0.9 contains a buffer overflow caused by manipulation of the argument GO in formWrlExtraSet function, letting remote attackers cause a stack-based buffer overflow, exploit requires no special conditions.

Severity & Score

Severity: High

CVSS Score: 8.8

EPSS Score: 0.0%(Probability of exploitation in next 30 days)

Impact

Remote attackers can cause a stack-based buffer overflow, potentially leading to remote code execution or system crash.

Mitigation

Update to the latest version.

References

Social Media Activity(2 posts)

Offensive Sequence

@offseq

Mar 22, 2026

🔎 CVE-2026-4534 (HIGH, CVSS 8.7): Stack-based buffer overflow in Tenda FH451 (v1.0.0.9) lets remote attackers execute code. PoC exploit published. Patch/mitigate now — restrict access & monitor for attacks. Info: https://radar.offseq.com/threat/cve-2026-4534-stack-based-buffer-overflow-in-tenda-65a33e73 #OffSeq #Vulnerability #Tenda #InfoSec

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Offensive Sequence

@offseq

Mar 22, 2026

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Related Resources

Details

CVE ID: CVE-2026-4534
Severity: High
CVSS Score: 8.8
Type: buffer_overflow
Status: new
EPSS: 0.0%
Social Posts: 2

CWE

CWE-119

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Score

0.0%Probability of exploitation in the next 30 days