Buffer overflow in Tenda W12
CVE-2025-11549
A vulnerability has been found in Tenda W12 3.0.0.6(3948). The affected element is the function wifiMacFilterSet of the file /goform/modules of the component HTTP Request Handler. The manipulation of the argument mac leads to stack-based b…
Vulnerability class: Buffer Overflow
EPSS: 0.006 (68.7th 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 W12 — versions 3.0.0.6(3948)
Weakness classification (CWE)
Public proof-of-concept exploits
References
- VDB-327708 | Tenda W12 HTTP Request modules wifiMacFilterSet stack-based overflow (vdb-entry, technical-description)
- VDB-327708 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #670110 | Tenda W12 V3.0.0.6(3948) Stack-based Buffer Overflow (third-party-advisory)
- github.com/z472421519/BinaryAudit/blob/main/PoC/BOF/Tenda_W12/cgiWifiMacFilterS… (exploit)
- www.tenda.com.cn/ (product)
Frequently asked questions
- What is CVE-2025-11549?
- CVE-2025-11549 is a high-severity vulnerability in Tenda W12, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2025-10-09.
- How severe is CVE-2025-11549?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2025-11549 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.