CVE-2026-4534 - Vulnerability Analysis

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

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

• https://github.com/Litengzheng/vul_db/blob/main/FH451/vul_41/README.md
• https://vuldb.com/?ctiid.352322
• https://vuldb.com/?id.352322
• https://vuldb.com/?submit.774342
• https://www.tenda.com.cn/

Social Media Activity(1 post)

TheHackerWire

@thehackerwire

Mar 22, 2026

🟠 CVE-2026-4534 - High (8.8) A flaw has been found in Tenda FH451 1.0.0.9. This affects the function formWrlExtraSet of the file /goform/WrlExtraSet. This manipulation of the argument GO causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has... 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-4534/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

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