CVE-2024-27521: Totolink a3300r Firmware

High severity, CVSS 8.0. EPSS: 1.5% chance of exploitation in the next 30 days.

TOTOLINK A3300R V17.0.0cu.557_B20221024 was discovered to contain an unauthenticated remote command execution (RCE) vulnerability via multiple parameters in the "setOpModeCfg" function. This security issue allows an attacker to take complete control of the device. In detail, exploitation allows unauthenticated, remote attackers to execute arbitrary system commands with administrative privileges (i.e., as user "root").

Affected products

• Totolink a3300r Firmware: version 17.0.0cu.557_b20221024 only

Published 2024-03-26. Last modified 2026-06-17.