Buffer overflow in Tenda Ac8
CVE-2025-5798
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 overfl…
Vulnerability class: Buffer Overflow
EPSS: 0.016 (81.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). 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.
Affected products
- Tenda Ac8 — versions 16.03.34.09
Weakness classification (CWE)
Public proof-of-concept exploits
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)
- lavender-bicycle-a5a.notion.site/Tenda-AC8-fromSetSysTime-20a53a41781f807b9489f… (exploit)
- www.tenda.com.cn/ (product)
Frequently asked questions
- What is CVE-2025-5798?
- CVE-2025-5798 is a high-severity vulnerability in Tenda Ac8, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2025-06-06.
- How severe is CVE-2025-5798?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2025-5798 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.