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VULNERABILITIES

CVE-2020-5756 Details

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.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://www.tenable.com/security/research/tra-2020-41 CVENot Applicable
https://www.tenable.com/cve/CVE-2020-5756 [email protected]ExploitThird Party Advisory
https://www.tenable.com/security/research/tra-2020-41 [email protected]Not Applicable

Weakness Enumeration

CWE-IDCWE NameSource
CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')[email protected]
CWE-489Active Debug Code[email protected]

Affected Products

ProductVersions
grandstream gwn7000 firmware
<= 1.0.9.4

CPE

  • cpe:2.3:o:grandstream:gwn7000_firmware:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
grandstream gwn7000
All versions

CPE

  • cpe:2.3:h:grandstream:gwn7000:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2020-5756
NVD Published Date:
Jul 17, 2020
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]