Vulnerability · Published Jun 8, 2025 · Assigned by VulDB
CVE-2025-5847Tenda AC9 HTTP POST Request SetRemoteWebCfg formSetSafeWanWebMan stack-based overflow
High 8.8
In plain English
A high-severity stack buffer overflow in AC9 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities).
Official description
A vulnerability has been found in Tenda AC9 15.03.02.13 and classified as critical. Affected by this vulnerability is the function formSetSafeWanWebMan of the file /goform/SetRemoteWebCfg of the component HTTP POST Request Handler. The manipulation of the argument remoteIp leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public 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-311593 | Tenda AC9 HTTP POST Request SetRemoteWebCfg formSetSafeWanWebMan stack-based overflow vdb-entry, technical-description
- VDB-311593 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #591362 | Tenda AC9 V1.0 V15.03.02.13 stack overflow third-party-advisory
- https://candle-throne-f75.notion.site/Tenda-AC9-formSetSafeWanWebMan-20adf0aa118580a29e80cef9109c947a exploit
- https://www.tenda.com.cn/ product