Security readout for executives and security teams
CVE-2006-5420 describes a remote crash condition in Kerio WinRoute Firewall 6.2.2 and earlier. Malformed DNS responses can cause denial of service. For executives, the concern is availability: an affected firewall could crash and disrupt internet access, filtering, or perimeter controls. Exposure is most likely where legacy Kerio WinRoute Firewall 6.2.2 or earlier remains deployed and processes DNS responses. Modern environments are exposed only if this old product line is still in service. Treat this as a legacy availability risk. Prioritize remediation if the product still protects business networks, because a crash of the firewall can interrupt connectivity and security enforcement. Mitigation focus: Inventory Kerio WinRoute Firewall deployments and record exact versions.; Check Kerio release history or vendor guidance for the corrected version.; Upgrade, replace, or retire systems running version 6.2.2 or earlier..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2006-5420 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- kerio-dns-dos(29629)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
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