Vulnerability · Published Sep 28, 2025 · Assigned by VulDB
CVE-2025-11123Tenda AC18 saveAutoQos stack-based overflow
High 8.8
In plain English
A high-severity stack buffer overflow in AC18 from Tenda. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.8%top 42.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A flaw has been found in Tenda AC18 15.03.05.19. This impacts an unknown function of the file /goform/saveAutoQos. This manipulation of the argument enable causes stack-based buffer overflow. The attack may 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-326204 | Tenda AC18 saveAutoQos stack-based overflow vdb-entry, technical-description
- VDB-326204 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #664197 | Tenda AC18 V15.03.05.19(6318) Buffer Overflow third-party-advisory
- https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/AC18/saveAutoQos.md related
- https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/AC18/saveAutoQos.md#poc exploit
- https://www.tenda.com.cn/ product