Buffer overflow in Tenda Ac15
CVE-2025-11386
A vulnerability was found in Tenda AC15 15.03.05.18. The impacted element is an unknown function of the file /goform/SetDDNSCfg of the component POST Parameter Handler. The manipulation of the argument ddnsEn results in stack-based buffer…
Vulnerability class: Buffer Overflow
EPSS: 0.002 (48.3th 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/E:P/RL:X/RC:R.
Affected products
- Tenda Ac15 — versions 15.03.05.18
Weakness classification (CWE)
References
- VDB-327313 | Tenda AC15 POST Parameter SetDDNSCfg stack-based overflow (vdb-entry, technical-description)
- VDB-327313 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #664969 | Tenda AC15 V15.03.05.18 Buffer Overflow (third-party-advisory)
- github.com/noahze01/IoT-vulnerable/blob/main/Tenda/AC15/SetDDNSCfg.md (exploit)
- www.tenda.com.cn/ (product)
Frequently asked questions
- What is CVE-2025-11386?
- CVE-2025-11386 is a high-severity vulnerability in Tenda Ac15, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2025-10-07.
- How severe is CVE-2025-11386?
- High severity. CVSS v3 base score is 8.8 out of 10.