CVE-2025-3665: TOTOLINK A3700R cstecgi.cgi setSmartQosCfg access control
A vulnerability has been found in TOTOLINK A3700R 9.1.2u.5822B20200513 and classified as critical. Affected by this vulnerability is the function setSmartQosCfg of the file /cgi-bin/cstecgi.cgi. The manipulation leads to improper access controls. The attack can be launched 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 Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-3665?
CVE-2025-3665 is classified as a critical severity vulnerability.
How do I fix CVE-2025-3665?
To mitigate CVE-2025-3665, update the TOTOLINK A3700R firmware to the latest version provided by the vendor.
What type of vulnerability is CVE-2025-3665?
CVE-2025-3665 is an improper access control vulnerability.
Can CVE-2025-3665 be exploited remotely?
Yes, CVE-2025-3665 can be attacked remotely.
Which function is affected by CVE-2025-3665?
The vulnerability affects the setSmartQosCfg function in the /cgi-bin/cstecgi.cgi file.