Vulnerability · Published Apr 16, 2025 · Assigned by VulDB
CVE-2025-3664TOTOLINK A3700R cstecgi.cgi setWiFiEasyGuestCfg access control
Medium 5.3
In plain English
A medium-severity improper access control in A3700R from TOTOLINK. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities).
Official description
A vulnerability, which was classified as critical, was found in TOTOLINK A3700R 9.1.2u.5822_B20200513. Affected is the function setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi. The manipulation leads to improper access controls. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Affected products (as reported)
Weakness: CWE-284, CWE-266 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
References
- VDB-304842 | TOTOLINK A3700R cstecgi.cgi setWiFiEasyGuestCfg access control vdb-entry, technical-description
- VDB-304842 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #551296 | TOTOLINK A3700R V9.1.2u.5822_B20200513 Improper Access Controls third-party-advisory
- https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setWiFiEasyGuestCfg-1cb53a41781f805f9ee3f1b2d362d3f2?pvs=4 exploit
- https://www.totolink.net/ product
- https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setWiFiEasyGuestCfg-1cb53a41781f805f9ee3f1b2d362d3f2 exploit