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Exploited vulnerability · CISA KEV

Is CVE-2013-5223 exploited? Yes: in CISA KEV since 25 Mar 2022

Gociux · D-Link DSL-2760U · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2013-5223, D-Link DSL-2760U Gateway Cross-Site Scripting Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 25 Mar 2022, 3052 days after it was published. It affects D-Link DSL-2760U. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 25 Mar 2022
ransomwareNot knownno confirmed use
EPSStop 5%very likely to be exploited
severity5.4CVSS 3.1 · medium
US federal due15 Apr 2022BOD 22-01 deadline

What it is

A cross-site scripting (XSS) vulnerability exists in the D-Link DSL-2760U gateway, allowing remote authenticated users to inject arbitrary web script or HTML.

VendorD-Link (26 exploited CVEs in KEV)
ProductDSL-2760U
VulnerabilityD-Link DSL-2760U Gateway Cross-Site Scripting Vulnerability
WeaknessCWE-79
Published15 Nov 2013
Added to KEV25 Mar 2022
Reported by (CNA)mitre

What to do

  1. Check whether you run it. Look for DSL-2760U in your asset inventory, including appliances and cloud images. Stack check lists every exploited D-Link CVE at once.
  2. Apply the fix. Apply updates per vendor instructions.
  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 15 Nov 2013.
  4. Get told next time. Email alerts when CISA adds a CVE for D-Link.

References

Questions

Is CVE-2013-5223 being exploited?

Yes. CISA added CVE-2013-5223 to the Known Exploited Vulnerabilities catalog on 25 Mar 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2013-5223 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-2013-5223?

Apply updates per vendor instructions. Check D-Link's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected DSL-2760U 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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