CVE-2020-5756

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

Grandstream GWN7000 firmware version 1.0.9.4 and below allows authenticated remote users to modify the system's crontab via undocumented API. An attacker can use this functionality to execute arbitrary OS commands on the router.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jul 17, 2020
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2020-5756: High severity, CVSS 8.8 | Vulnix