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Exploited vulnerability · CISA KEV

Is CVE-2019-20500 exploited? Yes: in CISA KEV since 29 Jun 2023

Gociux · D-Link DWL-2600AP Access Point · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2019-20500, D-Link DWL-2600AP Access Point Command Injection Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 29 Jun 2023, 1211 days after it was published. It affects D-Link DWL-2600AP Access Point. If you run it, CISA's required action is: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

exploitedYesCISA KEV · 29 Jun 2023
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity7.8CVSS 3.1 · high
US federal due20 Jul 2023BOD 22-01 deadline

What it is

D-Link DWL-2600AP access point contains an authenticated command injection vulnerability via the Save Configuration functionality in the Web interface, using shell metacharacters in the admin.cgi?action=config_save configBackup or downloadServerip parameter.

VendorD-Link (26 exploited CVEs in KEV)
ProductDWL-2600AP Access Point
VulnerabilityD-Link DWL-2600AP Access Point Command Injection Vulnerability
WeaknessCWE-78
Published5 Mar 2020
Added to KEV29 Jun 2023
Reported by (CNA)mitre

What to do

  1. Check whether you run it. Look for DWL-2600AP Access Point 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 or discontinue use of the product if updates are unavailable.
  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 5 Mar 2020.
  4. Get told next time. Email alerts when CISA adds a CVE for D-Link.

References

Questions

Is CVE-2019-20500 being exploited?

Yes. CISA added CVE-2019-20500 to the Known Exploited Vulnerabilities catalog on 29 Jun 2023, which means there is reliable evidence of exploitation in the wild.

Is CVE-2019-20500 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-2019-20500?

Apply updates per vendor instructions or discontinue use of the product if updates are unavailable. Check D-Link's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected DWL-2600AP Access Point 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 June 2023 · D-Link scorecard · act-now radar.

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