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Exploited vulnerability · CISA KEV

Is CVE-2023-25280 exploited? Yes: in CISA KEV since 30 Sep 2024

Gociux · D-Link DIR-820 Router · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2023-25280, D-Link DIR-820 Router OS Command Injection Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 30 Sep 2024, 564 days after it was published. It affects D-Link DIR-820 Router. If you run it, CISA's required action is: The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue utilization of the product.

exploitedYesCISA KEV · 30 Sep 2024
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity9.8CVSS 3.1 · critical
US federal due21 Oct 2024BOD 22-01 deadline

What it is

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.

VendorD-Link (26 exploited CVEs in KEV)
ProductDIR-820 Router
VulnerabilityD-Link DIR-820 Router OS Command Injection Vulnerability
WeaknessCWE-78
Published16 Mar 2023
Added to KEV30 Sep 2024
Reported by (CNA)mitre

What to do

  1. Check whether you run it. Look for DIR-820 Router in your asset inventory, including appliances and cloud images. Stack check lists every exploited D-Link CVE at once.
  2. Apply the fix. The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue utilization of the product.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 16 Mar 2023.
  4. Get told next time. Email alerts when CISA adds a CVE for D-Link.

References

Questions

Is CVE-2023-25280 being exploited?

Yes. CISA added CVE-2023-25280 to the Known Exploited Vulnerabilities catalog on 30 Sep 2024, which means there is reliable evidence of exploitation in the wild.

Is CVE-2023-25280 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2023-25280?

The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue utilization of the product. Check D-Link's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected DIR-820 Router and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in September 2024 · D-Link scorecard · act-now radar.

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