Buffer overflow in Tenda Ac8
CVE-2025-4368
A vulnerability, which was classified as critical, was found in Tenda AC8 16.03.34.06. Affected is the function formGetRouterStatus of the file /goform/MtuSetMacWan. The manipulation of the argument shareSpeed leads to buffer overflow. It…
Vulnerability class: Buffer Overflow
EPSS: 0.013 (80.3th 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.
Affected products
- Tenda Ac8 — versions 16.03.34.06
Weakness classification (CWE)
References
- VDB-307488 | Tenda AC8 MtuSetMacWan formGetRouterStatus buffer overflow (vdb-entry, technical-description)
- VDB-307488 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #564812 | Tenda Router AC8 V16.03.34.06 Buffer Overflow (third-party-advisory)
- github.com/fjl1113/cve/blob/main/Tenda.md (broken-link, exploit)
- www.tenda.com.cn/ (product)
Frequently asked questions
- What is CVE-2025-4368?
- CVE-2025-4368 is a high-severity vulnerability in Tenda Ac8, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2025-05-06.
- How severe is CVE-2025-4368?
- High severity. CVSS v3 base score is 8.8 out of 10.