QwikSec

Security Database

CVE

CWE

Training

CVE-2026-5689

Published: Apr 6, 2026

Modified: Apr 7, 2026

PUBLISHED

CVSS v3.1

7.3

HIGH

Description

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.

Vendor	Product	Versions
Totolink	A7100RU	affected `7.4cu.2313_b20191024`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

References

VDB-355516 | Totolink A7100RU cstecgi.cgi setNtpCfg os command injection

vdb-entry

technical-description

VDB-355516 | CTI Indicators (IOB, IOC, TTP, IOA)

signature

permissions-required

Submit #792946 | Totolink A7100RU 7.4cu.2313_b20191024 Command Injection

third-party-advisory

https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_187/README.md

exploit

https://www.totolink.net/

product

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.