CVE-2023-4410: Totolink EX1200L Firmware

Critical severity, CVSS 9.8. EPSS: 3.7% chance of exploitation in the next 30 days.

A vulnerability, which was classified as critical, was found in TOTOLINK EX1200L EN_V9.3.5u.6146_B20201023. This affects the function setDiagnosisCfg. The manipulation leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-237513 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Totolink EX1200L Firmware: version 9.3.5u.6146_b20201023 only

Published 2023-08-18. Last modified 2026-06-17.