← Back to CVEs

CVE-2026-7140

CRITICAL

9.8

Description

A vulnerability has been found in Totolink A8000RU 7.1cu.643_b20200521. Impacted is the function CsteSystem of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument HTTP leads to os command injection. The attack may be performed from remote. The exploit has been disclosed to the public and may be used.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/27/2026

Last Modified4/27/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-77CWE-78

References

https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_315/README.md(cna@vuldb.com)

https://vuldb.com/submit/801110(cna@vuldb.com)

https://vuldb.com/vuln/359739(cna@vuldb.com)

https://vuldb.com/vuln/359739/cti(cna@vuldb.com)

https://www.totolink.net/(cna@vuldb.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.