Vulnerability · Published Mar 20, 2026 · Assigned by VulDB
CVE-2026-4489Tenda A18 Pro fast_setting_wifi_set form_fast_setting_wifi_set stack-based overflow
High 8.8
In plain English
A high-severity stack buffer overflow in A18 Pro from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.5%top 55.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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 may be launched remotely. The exploit is now public 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-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
- https://github.com/lilukun337/cve/issues/1 exploit, issue-tracking
- https://www.tenda.com.cn/ product