CVE-2026-5689 MEDIUM

CVE-2026-5689: Totolink A7100RU cstecgi.cgi setNtpCfg 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 was detected in Totolink A7100RU 7.4cu.2313_b20191024. The affected element is the function setNtpCfg of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument tz results in os command injection. Remote exploitation of the attack is possible. The exploit is now public and may be used.

Key dates

02Disclosure timeline

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