Totolink · Totolink Ex1800T · CVE-2025-1852
**Name of the Vulnerable Software and Affected Versions**
Totolink EX1800T version 9.1.0cu.2112 B20220316
**Description**
A critical vulnerability has been found in the Totolink EX1800T, affecting the `loginAuth` function of the file `/cgi-bin/cstecgi.cgi`. The manipulation of the `password` argument leads to a buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
**Recommendations**
As a temporary workaround, consider disabling the `loginAuth` function until a patch is available. Restrict access to the `/cgi-bin/cstecgi.cgi` file to minimize the risk of exploitation. Avoid using the `password` argument in the affected API endpoint until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.