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Exploited vulnerability · CISA KEV

Is CVE-2022-26258 exploited? Yes: in CISA KEV since 8 Sep 2022

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

Yes. CVE-2022-26258, D-Link DIR-820L Remote Code Execution Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 8 Sep 2022, 165 days after it was published. It affects D-Link DIR-820L. 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 · 8 Sep 2022
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity9.8CVSS 3.1 · critical
US federal due29 Sep 2022BOD 22-01 deadline

What it is

D-Link DIR-820L contains an unspecified vulnerability in Device Name parameter in /lan.asp which allows for remote code execution.

VendorD-Link (26 exploited CVEs in KEV)
ProductDIR-820L
VulnerabilityD-Link DIR-820L Remote Code Execution Vulnerability
WeaknessCWE-78
Published27 Mar 2022
Added to KEV8 Sep 2022
Reported by (CNA)mitre

What to do

  1. Check whether you run it. Look for DIR-820L 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 27 Mar 2022.
  4. Get told next time. Email alerts when CISA adds a CVE for D-Link.

References

Questions

Is CVE-2022-26258 being exploited?

Yes. CISA added CVE-2022-26258 to the Known Exploited Vulnerabilities catalog on 8 Sep 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2022-26258 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-2022-26258?

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-820L 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 2022 · D-Link scorecard · act-now radar.

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