# CVE-2026-7138

> Vulnerability · severity: **CRITICAL** (CVSS 9.8).

## Description

A vulnerability was detected in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setNtpCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument tz results in os command injection. The attack can be executed remotely. The exploit is now public and may be used.

## Key facts

- **CVE ID:** CVE-2026-7138
- **Published:** 2026-04-27
- **CVSS severity:** CRITICAL
- **CVSS base score:** 9.8
- **CWE codes:** CWE-77, CWE-78

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-7138

## Citation

> AI Analytics. CVE-2026-7138. Retrieved 2026-07-15 from https://api.ai-analytics.org/cve/CVE-2026-7138. Derived from NIST NVD. Licensed CC0.

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