Vulnerability · Published Oct 27, 2025 · Assigned by VulDB
CVE-2025-12236Tenda CH22 DhcpListClient fromDhcpListClient 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 3.5% (higher than 89% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)3.5%top 10.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was determined in Tenda CH22 1.0.0.1. This issue affects the function fromDhcpListClient of the file /goform/DhcpListClient. This manipulation of the argument page causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.
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-329906 | Tenda CH22 DhcpListClient fromDhcpListClient buffer overflow vdb-entry, technical-description
- VDB-329906 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #673724 | Tenda CH22 v1.0.0.1 Buffer Overflow third-party-advisory
- Submit #721455 | Tenda CH22 V1.0.0.1 Denial of Service (Duplicate) third-party-advisory
- https://github.com/QIU-DIE/CVE/issues/17 broken-link, exploit, issue-tracking
- https://www.tenda.com.cn/ product