CVE-2026-3677 - Vulnerability Analysis

Overview

Tenda FH451 1.0.0.9 contains a stack-based buffer overflow caused by manipulation of the arguments funcname/funcpara1 in /goform/setcfm, letting remote attackers cause memory corruption, exploit requires crafted request.

Severity & Score

Impact

Remote attackers can cause memory corruption leading to potential remote code execution or denial of service.

Mitigation

Update to the latest version.

References

• https://github.com/Litengzheng/vul_db/blob/main/FH451/vul_61/README.md
• https://vuldb.com/?ctiid.349579
• https://vuldb.com/?id.349579
• https://vuldb.com/?submit.765329
• https://www.tenda.com.cn/

Social Media Activity(1 post)

TheHackerWire

@thehackerwire

Mar 8, 2026

🟠 CVE-2026-3677 - High (8.8) A vulnerability was found in Tenda FH451 1.0.0.9. This impacts the function fromSetCfm of the file /goform/setcfm. The manipulation of the argument funcname/funcpara1 results in stack-based buffer overflow. The attack may be performed from remote.... 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-3677/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

View original post

Related Resources

• Vulnerability Intelligence Dashboard
• Credential Scanner