CVE-2026-1548 MEDIUM

CVE-2026-1548: Totolink A7000R cstecgi.cgi CloudACMunualUpdateUserdata command injection

Vendor Totolink
Product A7000R
Weakness CWE-77
Published January 28, 2026
Last update February 23, 2026
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 28, 2026 CVE published
February 23, 2026 Record updated