CVE-2026-5689

HIGH

Totolink A7100RU cstecgi.cgi setNtpCfg os command injection

Title source: cna

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.

References (5)

Core 5

Core References

Vdb Entry, Technical Description vdb-entry technical-description

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

https://vuldb.com/vuln/355516

Signature, Permissions Required signature permissions-required

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

https://vuldb.com/vuln/355516/cti

Third Party Advisory third-party-advisory

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

https://vuldb.com/submit/792946

Exploit exploit

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

View Exploit ZIP pw:eip

Product product

https://www.totolink.net/

Scores

CVSS v3 7.3

EPSS 0.0146

EPSS Percentile 70.1%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment

Exploitation poc

Automatable yes

Technical Impact partial

Details

CWE

CWE-77 CWE-78

Status published

Products (1)

Totolink/A7100RU 7.4cu.2313_b20191024

Published Apr 06, 2026

Tracked Since Apr 07, 2026