Buffer overflow in Tenda Ac7
CVE-2025-11524
A flaw has been found in Tenda AC7 15.03.06.44. This issue affects some unknown processing of the file /goform/SetDDNSCfg. This manipulation of the argument ddnsEn causes stack-based buffer overflow. The attack can be initiated remotely. T…
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 Ac7 — versions 15.03.06.44
Weakness classification (CWE)
References
- VDB-327662 | Tenda AC7 SetDDNSCfg stack-based overflow (vdb-entry, technical-description)
- VDB-327662 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #669852 | Tenda AC7 V15.03.06.44 Buffer Overflow (third-party-advisory)
- github.com/noahze01/IoT-vulnerable/blob/main/Tenda/AC7/SetDDNSCfg.md (exploit)
- www.tenda.com.cn/ (product)
Frequently asked questions
- What is CVE-2025-11524?
- CVE-2025-11524 is a high-severity vulnerability in Tenda Ac7, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2025-10-09.
- How severe is CVE-2025-11524?
- High severity. CVSS v3 base score is 8.8 out of 10.