CVE-2020-15415: DrayTek Multiple Vigor Routers OS Command Injection Vulnerability

DrayTek Vigor3900, Vigor2960, and Vigor300B devices contain an OS command injection vulnerability in cgi-bin/mainfunction.cgi/cvmcfgupload that allows for remote code execution via shell metacharacters in a filename when the text/x-python-script content type is used.

VendorDrayTek
ProductMultiple Vigor Routers
Date added to KEV2024-09-30
Due date (BOD 22-01)2024-10-21
Known ransomware campaign useUnknown
CWECWE-78
Required actionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

What to do

  1. Identify every instance of DrayTek Multiple Vigor Routers in your environment (asset inventory, EDR, vulnerability scanner).
  2. Apply CISA's required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
  3. Federal civilian agencies must act by 2024-10-21 under BOD 22-01; other organizations can use the same date as a target.
  4. Check the vendor advisory and NVD entry linked below for affected versions, then record the fix in your change log.

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Sources

Generated from the CISA feed with AI assistance; facts are taken verbatim from the feed. Not affiliated with or endorsed by CISA. Facts come from the CISA Known Exploited Vulnerabilities catalog (public domain).