CVE-2026-1548CWE-74CWE-77

Totolink A7000R cstecgi.cgi CloudACMunualUpdateUserdata command injection

Medium · published January 28, 2026

CVSS v4.0
5.3
EPSS
3%
Percentile
89.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
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
EPSS
0.03487 · 89.1th percentile
Weaknesses
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'); CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')
Published
2026-01-28T22:32Z
EPSS history
Timeline
  • 28 JAN 22:32Z
    Totolink A7000R cstecgi.cgi CloudACMunualUpdateUserdata command injection
    cvelistv5