Vulnerability · Published Aug 31, 2025 · Assigned by VulDB
CVE-2025-9748Tenda CH22 httpd IPSECsave fromIpsecitem stack-based overflow
High 8.8
In plain English
A high-severity stack 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 0.9% (higher than 59% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.9%top 40.5% 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. Affected by this issue is the function fromIpsecitem of the file /goform/IPSECsave of the component httpd. Executing manipulation of the argument ipsecno can lead to stack-based buffer overflow. The attack may be performed from remote.
Affected products (as reported)
Weakness: CWE-121, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R
References
- VDB-322049 | Tenda CH22 httpd IPSECsave fromIpsecitem stack-based overflow vdb-entry, technical-description
- VDB-322049 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #640422 | Tenda tenda CH22 V1.0.0.1 Stack-based Buffer Overflow third-party-advisory
- https://github.com/physicszq/Routers/tree/main/tmp/02 related
- https://www.tenda.com.cn/ product