CVE-2020-25506

CriticalPublished

D-Link DNS-320 Device Command Injection Vulnerability

Published: Feb 2, 2021
Updated: Oct 21, 2025
Assigning CNA: mitre
Evidence observed: Nov 3, 2021

Primary CVSS

9.8/ 10Critical

nvd · CVSS 3.1

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

EPSS probability estimate

100.0%

High · next 30 days

Percentile: 100.0%
Model date: Oct 17, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

CISA Known Exploited

This CVE appears in the CISA Known Exploited Vulnerabilities catalog.

Summary

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.

Sources

Repository evidence: Files: 1 · Repositories: 1

1 Template

D-Link DNS-320 - Unauthenticated Remote Code ExecutionTemplate
http/cves/2020/CVE-2020-25506.yaml
Nuclei Templates
DetectionEvidence observed: Sep 26, 2026Revision: 17f5725dc10cRelated tool
Declared conditions
- network: http($.protocol_keys)
- verification: word($.matchers[*].type)
- oob: interactsh_reference($.template_text)

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