Vulnerability · Published Aug 26, 2025 · Assigned by VulDB
CVE-2025-9443Tenda CH22 editUserName formeditUserName 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 57% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.8%top 43.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A flaw has been found in Tenda CH22 1.0.0.1. This vulnerability affects the function formeditUserName of the file /goform/editUserName. Executing manipulation of the argument new_account can lead to buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be used.
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-321281 | Tenda CH22 editUserName formeditUserName buffer overflow vdb-entry, technical-description
- VDB-321281 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #634271 | Tenda CH22 V1.0.0.1 Buffer Overflow third-party-advisory
- https://github.com/moweizhang1994/cve/issues/4 exploit, issue-tracking
- https://www.tenda.com.cn/ product