Vulnerability · Published Apr 27, 2026 · Assigned by VulDB
CVE-2026-7079Tenda F456 httpd AdvSetWan fromAdvSetWan buffer overflow
High 8.8
In plain English
A high-severity buffer overflow in F456 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.6%top 49.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A weakness has been identified in Tenda F456 1.0.0.5. This affects the function fromAdvSetWan of the file /goform/AdvSetWan of the component httpd. This manipulation of the argument wanmode causes buffer overflow. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks.
Affected products (as reported)
Weakness: CWE-120, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
References
- VDB-359654 | Tenda F456 httpd AdvSetWan fromAdvSetWan buffer overflow vdb-entry, technical-description
- VDB-359654 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #798461 | Tenda F456 v1.0.0.5 Stack-based Buffer Overflow third-party-advisory
- https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_130/README.md exploit
- https://www.tenda.com.cn/ product