Vulnerability · Published Oct 9, 2025 · Assigned by VulDB
CVE-2025-11524Tenda AC7 SetDDNSCfg stack-based overflow
High 8.8
In plain English
A high-severity stack buffer overflow in AC7 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.1%top 35.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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. The exploit has been published and may be used.
Affected products (as reported)
Weakness: CWE-121, CWE-119 · 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
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
- https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/AC7/SetDDNSCfg.md exploit
- https://www.tenda.com.cn/ product