Buffer overflow in Tenda Ac18
CVE-2025-11123
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 explo…
Vulnerability class: Buffer Overflow
EPSS: 0.004 (60.2th 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 Ac18 — versions 15.03.05.19
Weakness classification (CWE)
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)
- github.com/noahze01/IoT-vulnerable/blob/main/Tenda/AC18/saveAutoQos.md (related)
- github.com/noahze01/IoT-vulnerable/blob/main/Tenda/AC18/saveAutoQos.md (exploit)
- www.tenda.com.cn/ (product)
Frequently asked questions
- What is CVE-2025-11123?
- CVE-2025-11123 is a high-severity vulnerability in Tenda Ac18, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2025-09-28.
- How severe is CVE-2025-11123?
- High severity. CVSS v3 base score is 8.8 out of 10.