Vulnerability · Published Mar 29, 2026 · Assigned by VulDB
CVE-2026-5046Tenda FH1201 Parameter WrlExtraSet formWrlExtraSet stack-based overflow
High 8.8
In plain English
A high-severity stack buffer overflow in FH1201 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 48.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A flaw has been found in Tenda FH1201 1.2.0.14(408). Affected is the function formWrlExtraSet of the file /goform/WrlExtraSet of the component Parameter Handler. Executing a manipulation of the argument GO can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been published 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-353969 | Tenda FH1201 Parameter WrlExtraSet formWrlExtraSet stack-based overflow vdb-entry, technical-description
- VDB-353969 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #779127 | Tenda FH1201 1.2.0.14(408) Stack-based Buffer Overflow third-party-advisory
- https://github.com/Litengzheng/vul_db/blob/main/FH1201/vul_44/README.md exploit
- https://www.tenda.com.cn/ product