TOTOLINK A3300R dhcpMtu Parameter Command Injection Vulnerability

TOTOLINK A3300R is a wireless router from China's Gion Electronics TOTOLINK. A command injection vulnerability exists in the TOTOLINK A3300R dhcpMtu parameter, which can be exploited by an attacker to execute arbitrary commands by sending a specially crafted request to /cgi-bin/cstecgi.cgi...

EUVD-2026-25255

An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557B20221024 allowing attackers to execute arbitrary commands via the dhcpMtu parameter to /cgi-bin/cstecgi.cgi...

CVE-2026-31163

The ToToLink A3300R wireless router is vulnerable to a command injection flaw in its v17.0.0cu.557_B20221024 firmware. An unauthenticated attacker can execute arbitrary commands by sending a specially crafted request to the /cgi-bin/cstecgi.cgi endpoint, specifically by exploiting the dhcpMtu par...