ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2023-25280

D-Link DIR-820 Router OS Command Injection Vulnerability

Published Mar 15, 2023 · catalog updated Jun 16, 2026 · D-Link DIR-820 Router

Patch now

CVE-2023-25280 is in the CISA known-exploited catalog, due Oct 21, 2024. Confirm D-Link DIR-820 Router against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Critical9.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
97.86%
Remediation
Remediation guidance
Affected products
cpe dlink/dir-820l firmware · vendor D-Link DIR-820 Router

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe dlink/dir-820l firmware1.05b03
  • vendor D-Link DIR-820 Routerversion unspecified

How to fix CVE-2023-25280

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2023-25280 is in the CISA known-exploited catalog, due Oct 21, 2024. Confirm D-Link DIR-820 Router against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with dlink/dir-820l firmware 1.05b03. The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue utilization of the product.

What should an analyst verify?

CWE-78: OS Command Injection. EPSS 97.86%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 15, 2023 · Catalog

    Detected

    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.

  2. Sep 30, 2024 · CISA KEV

    Known exploited

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

  3. Oct 21, 2024 · CISA KEV

    Remediation due

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

  4. Jun 16, 2026 · Catalog

    Updated

    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.

Sources

  • CISA KEVConfirmed exploitationCVE-2023-25280

    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.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2023-25280

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-25280

    30-day exploitation probability 97.9%

    first.org
  • NIST NVDVulnerability recordCVE-2023-25280

    OS Command injection vulnerability in D-Link DIR820LA1_FW105B03 allows attackers to escalate privileges to root via a crafted payload with the ping_addr parameter to ping.ccp.

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2023-25280

    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.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.