Buffer overflow in Tenda Ac1206
CVE-2025-9523
A vulnerability was detected in Tenda AC1206 15.03.06.23. Affected is the function GetParentControlInfo of the file /goform/GetParentControlInfo. The manipulation of the argument mac results in stack-based buffer overflow. It is possible t…
Vulnerability class: Buffer Overflow
EPSS: 0.008 (74.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R.
Affected products
- Tenda Ac1206 — versions 15.03.06.23
Weakness classification (CWE)
Public proof-of-concept exploits
References
- VDB-321541 | Tenda AC1206 GetParentControlInfo stack-based overflow (vdb-entry, technical-description)
- VDB-321541 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #634309 | Tenda Tenda Wi-Fi 5 Router AC1206 AC1206V1.0RTL_V15.03.06.23 Buffer Overflow (third-party-advisory)
- github.com/XXRicardo/iot-cve/blob/main/Tenda/AC1206/AC1206V1.0RTL_V15.03.06.23… (exploit)
- www.tenda.com.cn/ (product)
Frequently asked questions
- What is CVE-2025-9523?
- CVE-2025-9523 is a critical-severity vulnerability in Tenda Ac1206, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2025-08-27.
- How severe is CVE-2025-9523?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2025-9523 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.