Vulnerability · Published Jun 9, 2025 · Assigned by VulDB
CVE-2025-5853Tenda AC6 SetRemoteWebCfg formSetSafeWanWebMan stack-based overflow
High 8.8
In plain English
A high-severity stack buffer overflow in AC6 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 7.8% (higher than 95% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)7.8%top 5.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability classified as critical was found in Tenda AC6 15.03.05.16. Affected by this vulnerability is the function formSetSafeWanWebMan of the file /goform/SetRemoteWebCfg. 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-311599 | Tenda AC6 SetRemoteWebCfg formSetSafeWanWebMan stack-based overflow vdb-entry, technical-description
- VDB-311599 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #591419 | Tenda AC6 V1.0 V15.03.05.16 Buffer Overflow third-party-advisory
- https://lavender-bicycle-a5a.notion.site/Tenda-AC6-formSetSafeWanWebMan-20a53a41781f80f1a3ebc7931f32a29f?source=copy_link exploit
- https://www.tenda.com.cn/ product