CVE-2020-5756

PoC —

CVSS 3.1

8.8 high

EPSS

2%p84

Published

Jul 17, 2020 (Jul 17, 2020)

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.

Vendors: grandstream
Products: gwn7000 firmware
Weakness: CWE-489, CWE-78
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (2.5%)

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