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D-Link · DIR-820 Router

CVE-2023-25280

D-Link DIR-820 Router OS Command Injection Vulnerability

CISA KEV record

CISA date added
2024-09-30
CISA due date
2024-10-21
Known ransomware use
Unknown

NVD risk context

9.8 CRITICAL

CVSS is a technical severity score. CISA’s KEV status remains the evidence that this vulnerability is known to be exploited.

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Attack vector
Network
The vulnerable service can be reached remotely over a network.
Attack complexity
Low
Exploitation does not require unusual conditions beyond normal attacker control.
Privileges required
None
The attacker does not need an existing account or privileges.
User interaction
None
No action by another user is required.

Description

D-Link DIR-820 routers contain an OS command injection vulnerability that allows a remote, unauthenticated attacker to escalate privileges to root via a crafted payload with the ping_addr parameter to ping.ccp.

Required action

The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue utilization of the product.

NVD reference index

Vendor and remediation references

NVD has not tagged a reference for this KEV as a patch, mitigation, release note, or vendor advisory.

Other NVD references (3)

MITRE CWE context

CWE classification

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

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NVD record timing

NVD record timeline

These dates describe NVD’s record, not CISA’s KEV addition or remediation due date.

NVD published
Mar 16, 2023, 01:15 AM UTC
When NVD first published this CVE record.
NVD last updated
Jun 17, 2026, 05:41 AM UTC
When NVD last changed its analysis or record data.
Advanced: view the technical CVSS vector

This standardized code is intended for security tools and technical analysts. The plain-language risk summary above explains its main points.

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

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CISA notes

https://supportannouncement.us.dlink.com/security/publication.aspx?name=SAP10358 ; https://nvd.nist.gov/vuln/detail/CVE-2023-25280