CVE-2026-4534 in FH451

Summary

by MITRE • 03/22/2026

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 been published and may be used.

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• Responsible: VulDB
• Disclosure: 03/22/2026
• Moderation: accepted
• Entry: VDB-352322
• CPE: ready
• CWE: CWE-121 (confirmed)
• Exploit: Download
• CVSS: 8.8 (VulDB)
• EPSS: 0.00106
• KEV: no
• Activities: very low
• Sector: Telecommunication, Police, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-4534
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-4534
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-4534/