# CVE-2026-7136

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

## Description

A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. Affected by this issue is the function setDmzCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument wanIdx can lead to os command injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.

## Key facts

- **CVE ID:** CVE-2026-7136
- **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-2026-7136

## Citation

> AI Analytics. CVE-2026-7136. Retrieved 2026-06-26 from https://api.ai-analytics.org/cve/CVE-2026-7136. Derived from NIST NVD. Licensed CC0.

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