Vulnerability · Published Mar 9, 2026 · Assigned by VulDB
CVE-2026-3808Tenda FH1202 webtypelibrary formWebTypeLibrary stack-based overflow
High 8.8
In plain English
A high-severity stack buffer overflow in FH1202 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 3.0% (higher than 87% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)3.0%top 12.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was detected in Tenda FH1202 1.2.0.14(408). The affected element is the function formWebTypeLibrary of the file /goform/webtypelibrary. Performing a manipulation of the argument webSiteId results in stack-based buffer overflow. The attack may be initiated remotely. The exploit is now public and may be used.
Affected products (as reported)
Weakness: CWE-121, 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-349774 | Tenda FH1202 webtypelibrary formWebTypeLibrary stack-based overflow vdb-entry, technical-description
- VDB-349774 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #769023 | Tenda FH1202 V1.2.0.14(408) Buffer Overflow third-party-advisory
- https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-fh1202-webtypelibrary-websiteid-buffer-overflow exploit
- https://www.tenda.com.cn/ product