Vulnerability · Published Dec 11, 2025 · Assigned by VulDB
CVE-2025-14526Tenda CH22 L7Im frmL7ImForm buffer overflow
High 8.8
In plain English
A high-severity buffer overflow in CH22 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 55% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.8%top 44.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A security flaw has been discovered in Tenda CH22 1.0.0.1. This affects the function frmL7ImForm of the file /goform/L7Im. Performing a manipulation of the argument page results in buffer overflow. Remote exploitation of the attack is possible. The exploit has been released to the public and may 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-335866 | Tenda CH22 L7Im frmL7ImForm buffer overflow vdb-entry, technical-description
- VDB-335866 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #703035 | Tenda CH22 V1.0.0.1 Buffer overflow vulnerability third-party-advisory
- https://github.com/maximdevere/CVE2/issues/5 issue-tracking
- https://github.com/maximdevere/CVE2/issues/5#issue-3673676260 exploit, issue-tracking
- https://www.tenda.com.cn/ product