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CVE-2026-7155

CRITICAL
9.8NVD

Summary

generated automatically from NVD data

Totolink A8000RU firmware version 7.1cu.643_b20200521 contains an OS command injection flaw in the setLoginPasswordCfg function of /cgi-bin/cstecgi.cgi, part of the CGI Handler component. Manipulating the admpass argument allows injection of operating system commands, and the attack can be launched remotely. The NVD description notes that the exploit has been publicly disclosed, and the flaw is rated CRITICAL with a CVSS v3.1 score of 9.8.

NVD description

A security vulnerability has been detected in Totolink A8000RU 7.1cu.643_b20200521. This impacts the function setLoginPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument admpass leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed publicly 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
27 avr. 2026
Updated
17 juin 2026
Status
Deferred
Source
cna@vuldb.com

Weaknesses (CWE)

CWE-77CWE-78

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