CVE-2026-5691 MEDIUM

CVE-2026-5691: Totolink A7100RU cstecgi.cgi setFirewallType os command injection

Vendor Totolink
Product A7100RU
Weakness CWE-78
Published April 6, 2026
Last update April 7, 2026
View on NVD All CVEs

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

A vulnerability has been found in Totolink A7100RU 7.4cu.2313_b20191024. This affects the function setFirewallType of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument firewallType leads to os command injection. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.

Key dates

02Disclosure timeline

April 6, 2026 CVE published
April 7, 2026 Record updated