Vulnerability · Published Jun 6, 2025 · Assigned by VulDB
CVE-2025-5798Tenda AC8 SetSysTimeCfg fromSetSysTime stack-based overflow
High 8.8
In plain English
A high-severity stack buffer overflow in AC8 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 72% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.4%top 28.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was found in Tenda AC8 16.03.34.09. It has been classified as critical. Affected is the function fromSetSysTime of the file /goform/SetSysTimeCfg. The manipulation of the argument timeType leads to stack-based buffer overflow. It is possible to launch the attack 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-311352 | Tenda AC8 SetSysTimeCfg fromSetSysTime stack-based overflow vdb-entry, technical-description
- VDB-311352 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #591266 | Tenda AC8 v4 V16.03.34.09 Buffer Overflow third-party-advisory
- https://lavender-bicycle-a5a.notion.site/Tenda-AC8-fromSetSysTime-20a53a41781f807b9489fff42f262e11?source=copy_link exploit
- https://www.tenda.com.cn/ product
- https://lavender-bicycle-a5a.notion.site/Tenda-AC8-fromSetSysTime-20a53a41781f807b9489fff42f262e11 exploit