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CVE-2026-7240

CRITICAL
9.8NVD

Summary

generated automatically from NVD data

Totolink A8000RU firmware 7.1cu.643_b20200521 contains an OS command injection flaw in the setVpnAccountCfg function of /cgi-bin/cstecgi.cgi, part of the CGI Handler component. Manipulating the User argument lets a remote attacker inject operating system commands, with no authentication or user interaction needed according to the CVSS vector. The NVD description notes that the exploit has been disclosed publicly, and the flaw is rated CRITICAL with a CVSS v3.1 score of 9.8.

NVD description

A vulnerability has been found in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setVpnAccountCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument User leads to os command injection. The attack can be executed remotely. The exploit has been disclosed to the public and may be used.

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EPSS · FIRST.org

3.3%probability of exploitation in the next 30 days

Higher than 88% of scored CVEs

EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-19, recomputed daily by FIRST.org.

CVSS v3.1 Score

9.8
/ 10.0
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Information

Published
28 avr. 2026
Updated
17 juin 2026
Status
Deferred
Source
cna@vuldb.com

Weaknesses (CWE)

CWE-77CWE-78

Similar CVEs

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