CVEvulnerability

CVE-2020-5756

8.8 HIGH Published 2020-07-17 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-07-17
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
9.0 HIGH — AV:N/AC:L/Au:S/C:C/I:C/A:C
Weaknesses
CWE-489, CWE-78

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.

Affected configurations

• grandstream gwn7000 firmware (<= 1.0.9.4)

Related

Weakness · CWE (2)

  • CWE-489 Active Debug Code weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command weakness

References