Vulnerability · Published Oct 27, 2025 · Assigned by VulDB
CVE-2025-12272Tenda CH22 addressNat fromAddressNat 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 44.8% 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 impacts the function fromAddressNat of the file /goform/addressNat. Performing a manipulation of the argument page results in buffer overflow. The attack may be initiated remotely. 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-329944 | Tenda CH22 addressNat fromAddressNat buffer overflow vdb-entry, technical-description
- VDB-329944 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #674159 | Tenda CH22 V1.0.0.1 Buffer Overflow third-party-advisory
- https://github.com/QIU-DIE/CVE/issues/21 broken-link, exploit, issue-tracking
- https://www.tenda.com.cn/ product