CVE-2026-1548: Totolink a7000r Firmware

High severity, CVSS 8.8. EPSS: 3.5% chance of exploitation in the next 30 days.

A flaw has been found in Totolink A7000R 4.1cu.4154. This impacts the function CloudACMunualUpdateUserdata of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument url causes command injection. The attack can be initiated remotely. The exploit has been published and may be used.

Affected products

• Totolink a7000r Firmware: version 4.1cu.4154 only

Published 2026-01-28. Last modified 2026-06-17.