CVE-2025-4269: Totolink a720r Firmware

Medium severity, CVSS 5.3. EPSS: 0.6% chance of exploitation in the next 30 days.

A vulnerability was found in TOTOLINK A720R 4.1.5cu.374 and classified as critical. This issue affects some unknown processing of the file /cgi-bin/cstecgi.cgi of the component Log Handler. The manipulation of the argument topicurl with the input clearDiagnosisLog/clearSyslog/clearTracerouteLog leads to improper access controls. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Affected products

• Totolink a720r Firmware: version 4.1.5cu.374 only

Published 2025-05-05. Last modified 2026-06-17.