Vulnerability · Published Oct 6, 2025 · Assigned by VulDB
CVE-2025-11327Tenda AC18 SetUpnpCfg stack-based overflow
High 8.8
In plain English
A high-severity stack buffer overflow in AC18 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 70% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.3%top 30.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A security vulnerability has been detected in Tenda AC18 15.03.05.19(6318). This vulnerability affects unknown code of the file /goform/SetUpnpCfg. The manipulation of the argument upnpEn leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.
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:P/RL:X/RC:R
References
- VDB-327210 | Tenda AC18 SetUpnpCfg stack-based overflow vdb-entry, technical-description
- VDB-327210 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #664532 | Tenda AC18 V15.03.05.19(6318) Buffer Overflow third-party-advisory
- https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/AC18/SetUpnpCfg.md exploit
- https://www.tenda.com.cn/ product