Vulnerability · Published Apr 6, 2026 · Assigned by VulDB
CVE-2026-5684Tenda CX12L webExcptypemanFilter fromwebExcptypemanFilter stack-based overflow
High 8.0
In plain English
A high-severity stack buffer overflow in CX12L 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)8.0High
Exploit odds (30 days)0.6%top 48.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was determined in Tenda CX12L 16.03.53.12. Affected by this issue is the function fromwebExcptypemanFilter of the file /goform/webExcptypemanFilter. Executing a manipulation of the argument page can lead to stack-based buffer overflow. The attack requires access to the local network. The exploit has been publicly disclosed and may be utilized.
Affected products (as reported)
Weakness: CWE-121, CWE-119 · Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
References
- VDB-355511 | Tenda CX12L webExcptypemanFilter fromwebExcptypemanFilter stack-based overflow vdb-entry, technical-description
- VDB-355511 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #792781 | Tenda CX12L V16.03.53.12 Stack-based Buffer Overflow third-party-advisory
- https://github.com/cve-a/lvdan/issues/2 exploit, issue-tracking
- https://www.tenda.com.cn/ product