Buffer overflow in Tenda A18 Pro
CVE-2026-4489
A vulnerability was detected in Tenda A18 Pro 02.03.02.28. This vulnerability affects the function form_fast_setting_wifi_set of the file /goform/fast_setting_wifi_set. The manipulation results in stack-based buffer overflow. The attack ma…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (20.3th 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 A18 Pro — versions 02.03.02.28
Weakness classification (CWE)
References
- VDB-352015 | Tenda A18 Pro fast_setting_wifi_set form_fast_setting_wifi_set stack-based overflow (vdb-entry, technical-description)
- VDB-352015 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #773619 | Tenda A18pro V02.03.02.28 stack (third-party-advisory)
- github.com/lilukun337/cve/issues/1 (exploit, issue-tracking)
- www.tenda.com.cn/ (product)
Frequently asked questions
- What is CVE-2026-4489?
- CVE-2026-4489 is a high-severity vulnerability in Tenda A18 Pro, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2026-03-20.
- How severe is CVE-2026-4489?
- High severity. CVSS v3 base score is 8.8 out of 10.