Vulnerability Report

CVE-2006-5420

Title: Kerio Winroute Firewall Denial of Service (DoS)

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2006-5420.

CWE Category NVD-CWE-noinfo

Published Date Oct 20, 2006

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 5.0 CVSS v2.0

Exploit Probability (EPSS)

2.56%

Vulnerability Summary

CVE-2006-5420: Kerio WinRoute Firewall 6.2.2 and earlier allows remote attackers to cause a denial of service (crash) via malformed DNS responses.

Impacted Vendors

kerio 1

Reference Links

http://secunia.com/advisories/22986 http://securitytracker.com/id?1017067 http://www.kerio.com/kwf_history.html http://www.securityfocus.com/bid/20584 http://www.vupen.com/english/advisories/2006/4056 https://exchange.xforce.ibmcloud.com/vulnerabilities/29629 http://secunia.com/advisories/22986 http://securitytracker.com/id?1017067 http://www.kerio.com/kwf_history.html http://www.securityfocus.com/bid/20584 http://www.vupen.com/english/advisories/2006/4056 https://exchange.xforce.ibmcloud.com/vulnerabilities/29629

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2006-5420 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 23, 2026 MODIFIED

Vulnerability data updated via NVD.

April 09, 2025 MODIFIED

Vulnerability data or affected products updated.

October 20, 2006 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected Stack

No specific products linked.