Is CVE-2020-25506 actively exploited?

CVE-2020-25506 has no public evidence of in-the-wild exploitation as of 2025-11-07.

What is the CVSS score for CVE-2020-25506?

CVE-2020-25506 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2020-25506?

Patch guidance is available from dlink security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2020-25506.

Which products are affected by CVE-2020-25506?

1 product: dlink dns-320 firmware.

Fix CVE-2020-25506 - CRITICAL dlink dns-320 firmware

Description

D-Link DNS-320 FW v2.06B01 Revision Ax is affected by command injection in the system_mgr.cgi component, which can lead to remote arbitrary code execution.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-78 · OS Command Injection CWE-78 · OS Command Injection

Metadata

Primary Vendor: DLINK
Published: 2/2/2021
Last Modified: 11/7/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2020-25506

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary