CVE-2026-31163

medium

Description

An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the dhcpMtu parameter to /cgi-bin/cstecgi.cgi.

References

https://github.com/Svigo-o/TOTOLINK-Vul/tree/main/totolink-a3300r-dhcp-mtu-cmd-injection

Details

Source: Mitre, NVD

Published: 2026-04-23

Updated: 2026-04-24

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N