CVE-2026-1548

Medium

Description

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.

SeverityMedium
CVSS6.3
Exploit probability—
ProductTotolink A7000r Firmware
PublishedJan 28, 2026
First seenJan 28, 2026

How to fix

Affected products

ProductAffected versionsFixed in
totolink a7000r_firmware4.1cu.4154—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.