Buffer overflow in Tenda Ac7
CVE-2025-4809
A vulnerability was found in Tenda AC7 15.03.06.44. It has been classified as critical. Affected is the function fromSafeSetMacFilter of the file /goform/setMacFilterCfg. The manipulation of the argument deviceList leads to stack-based buf…
Vulnerability class: Buffer Overflow
EPSS: 0.011 (78.4th 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 Ac7 — versions 15.03.06.44
Weakness classification (CWE)
References
- VDB-309264 | Tenda AC7 setMacFilterCfg fromSafeSetMacFilter stack-based overflow (vdb-entry, technical-description)
- VDB-309264 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #573642 | Tenda AC7 V1.0 V15.03.06.44 Buffer Overflow (third-party-advisory)
- lavender-bicycle-a5a.notion.site/Tenda-AC7-fromSafeSetMacFilter-1ed53a41781f80c… (exploit)
- www.tenda.com.cn/ (product)
Frequently asked questions
- What is CVE-2025-4809?
- CVE-2025-4809 is a high-severity vulnerability in Tenda Ac7, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2025-05-16.
- How severe is CVE-2025-4809?
- High severity. CVSS v3 base score is 8.8 out of 10.