CVE-2020-25079 D-Link CVE debrief

Who should care

Asset owners, security teams, and administrators responsible for D-Link DCS-2530L and DCS-2670L deployments should treat this as a priority remediation item.

Technical summary

The supplied official records identify CVE-2020-25079 as a command injection vulnerability affecting D-Link DCS-2530L and DCS-2670L devices. CISA’s KEV entry indicates the issue is known to be exploited and includes a required action to apply vendor mitigations or discontinue the product if mitigation is not available.

Defensive priority

High — prioritize immediate assessment and remediation because the vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, with a remediation due date of 2025-08-26 in the supplied timeline.

Recommended defensive actions

• Inventory all D-Link DCS-2530L and DCS-2670L devices in your environment.
• Review the linked D-Link support information and advisory referenced in the CISA KEV notes.
• Apply vendor-provided mitigations or updates as instructed by D-Link.
• If mitigations are unavailable, discontinue use of the affected product per CISA guidance.
• Verify remediation status before the KEV due date of 2025-08-26.

Evidence notes

The source corpus contains the CISA KEV record and official vulnerability references, but not the full vendor advisory text. CVSS score/severity were not provided in the supplied data. Timing context is taken from the supplied timeline: CISA added the CVE to KEV on 2025-08-05 and set a due date of 2025-08-26; this should not be treated as the original issue date.

Official resources