Totolink · Ex200 · CVE-2026-114382
**Name of the Vulnerable Software and Affected Versions**
TOTOLINK EX200 version 5.2.3c.7200
**Description**
A stack-based buffer overflow exists in the `setStaticDhcpConfig` function within the `/cgi-bin/cstecgi.cgi` endpoint of the `lan.so` component. This issue allows a remote attacker to trigger the flaw by manipulating the `Comment` argument. A stack-based buffer overflow occurs when a program writes more data to a buffer located on the stack than the buffer is allocated to hold, potentially leading to crashes or arbitrary code execution.
**Recommendations**
At the moment, there is no information about a newer version that contains a fix for this vulnerability.