Vulnerability · Published Oct 27, 2025 · Assigned by VulDB
CVE-2025-12265Tenda CH22 VirtualSer fromVirtualSer 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 1.0% (higher than 64% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.0%top 35.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A weakness has been identified in Tenda CH22 1.0.0.1. Affected by this issue is the function fromVirtualSer of the file /goform/VirtualSer. This manipulation of the argument page causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could 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-329936 | Tenda CH22 VirtualSer fromVirtualSer buffer overflow vdb-entry, technical-description
- VDB-329936 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #674012 | Tenda CH22 V1.0.0.1 Buffer Overflow third-party-advisory
- https://github.com/QIU-DIE/CVE/issues/18 broken-link, exploit, issue-tracking
- https://www.tenda.com.cn/ product