The Weaponization Gap: What 20 Million KEV Detections Reveal About Edge Remediation
summary
Qualys TRU analyzes 20 million KEV detection events (2021–2025), applies Kaplan‑Meier survival analysis to 197 KEV CVEs on edge devices, and finds median remediation of weeks but long tails—median 41 days for already‑known assets versus 319 days when KEV acts as discovery, one in 1,000 fixes revert, and many vendors show maintenance‑window cliffs; an auto‑update example (FortiWeb) dramatically shortens time to fix, proving vendor engineering beats manual patching.
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chapters (17)
- 0:00Edge device vulnerabilities
- 3:16Edge devices and risks
- 5:46KEV remediation times
- 9:59Vendor patching speed
- 13:57Edge remediation challenges
- 16:44KEV for asset visibility
- 18:13Vendor remediation gaps
- 21:45Relapse rates in edge devices
- 24:59Unpatched devices after one year
- 26:04Mitigation strategies
- 27:50Industry remediation performance
- 30:18Weaponized vulnerabilities
- 33:34Edge device security strategies
- 36:21Prioritizing weaponized vulns
- 37:46Threat actor focus
- 39:53Key takeaways
- 43:06Q&A
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