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 to launch the attack remotely. The exploit is now public and may be used.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.011 (65.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Tenda Ac1206 — versions 15.03.06.23
- Tenda Ac1206 Firmware — versions 15.03.06.23
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/XXRicardo/iot-cve/blob/main/Tenda/AC1206/AC1206V1.0RTL_V15.03.06.23… (Exploit, Third Party Advisory, exploit)
- www.tenda.com.cn/ (Product, product)
Frequently asked questions
- What is CVE-2025-9523?
- CVE-2025-9523 is a critical-severity vulnerability in Tenda Ac1206, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. 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.