# CVE-2026-7124

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

## Description

A vulnerability was determined in Totolink A8000RU 7.1cu.643_b20200521. Affected by this vulnerability is the function setIpv6LanCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument addrPrefixLen can lead to os command injection. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.

## Key facts

- **CVE ID:** CVE-2026-7124
- **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-2026-7124

## Citation

> AI Analytics. CVE-2026-7124. Retrieved 2026-06-30 from https://api.ai-analytics.org/cve/CVE-2026-7124. Derived from NIST NVD. Licensed CC0.

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