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Exploited vulnerability · CISA KEV

Is CVE-2020-9377 exploited? Yes: in CISA KEV since 25 Mar 2022

Gociux · D-Link DIR-610 Devices · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2020-9377, D-Link DIR-610 Devices Remote Command Execution, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 25 Mar 2022, 624 days after it was published. It affects D-Link DIR-610 Devices. If you run it, CISA's required action is: The impacted product is end-of-life and should be disconnected if still in use.

exploitedYesCISA KEV · 25 Mar 2022
ransomwareNot knownno confirmed use
EPSStop 5%very likely to be exploited
severity8.8CVSS 3.1 · high
US federal due15 Apr 2022BOD 22-01 deadline

What it is

D-Link DIR-610 devices allow remote code execution via the cmd parameter to command.php.

VendorD-Link (26 exploited CVEs in KEV)
ProductDIR-610 Devices
VulnerabilityD-Link DIR-610 Devices Remote Command Execution
WeaknessCWE-78
Published9 Jul 2020
Added to KEV25 Mar 2022
Reported by (CNA)mitre

What to do

  1. Check whether you run it. Look for DIR-610 Devices 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 and should be disconnected if still in use.
  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 9 Jul 2020.
  4. Get told next time. Email alerts when CISA adds a CVE for D-Link.

References

Questions

Is CVE-2020-9377 being exploited?

Yes. CISA added CVE-2020-9377 to the Known Exploited Vulnerabilities catalog on 25 Mar 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2020-9377 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-2020-9377?

The impacted product is end-of-life and should be disconnected if still in use. Check D-Link's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected DIR-610 Devices 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 March 2022 · D-Link scorecard · act-now radar.

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