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Vulnerability record · CVE-2006-0336 · published 21 January 2006

CVE-2006-0336: Kerio winroute firewall vulnerability

Kerio · Winroute Firewall

Kerio WinRoute Firewall before 6.1.4 Patch 2 allows attackers to cause a denial of service (CPU consumption and hang) via unknown vectors involving "browsing the web".

5.0 CVSS 2.0 Medium EPSS 2.0% · top 20.2%
5.0CVSS 2.0 base score
2.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References
16 Jun 2026Last modified by NVD

Description

Kerio WinRoute Firewall before 6.1.4 Patch 2 allows attackers to cause a denial of service (CPU consumption and hang) via unknown vectors involving "browsing the web".

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/18589
http://www.kerio.com/kwf_history.html
http://www.osvdb.org/22631
http://www.securityfocus.com/bid/16385
http://www.vupen.com/english/advisories/2006/0324
https://exchange.xforce.ibmcloud.com/vulnerabilities/24317
http://secunia.com/advisories/18589
http://www.kerio.com/kwf_history.html
http://www.osvdb.org/22631
http://www.securityfocus.com/bid/16385
http://www.vupen.com/english/advisories/2006/0324
https://exchange.xforce.ibmcloud.com/vulnerabilities/24317

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2005-4425Kerio winroute firewall vulnerabilityUnspecified vulnerability in Kerio WinRoute Firewall before 6.1.3 allows remote attackers to cause a denial of service (crash) via certain RTSP strea…EPSS 1.8%7.5CVE-2005-1062Kerio mailserver vulnerabilityThe administration protocol for Kerio WinRoute Firewall 6.x up to 6.0.10, Personal Firewall 4.x up to 4.1.2, and MailServer up to 6.0.8 allows remote…EPSS 2.6%6.4CVE-2004-2483Kerio winroute firewall vulnerabilityKerio WinRoute Firewall before 6.0.9 uses information from PTR queries in response to A queries, which allows remote attackers to poison the DNS cach…EPSS 1.7%5.0CVE-2006-5420Kerio winroute firewall vulnerabilityKerio WinRoute Firewall 6.2.2 and earlier allows remote attackers to cause a denial of service (crash) via malformed DNS responses.EPSS 2.6%5.0CVE-2006-2267Kerio winroute firewall vulnerabilityKerio WinRoute Firewall before 6.2.1 allows remote attackers to cause a denial of service (application crash) via unknown vectors in the "email proto…EPSS 3.2%5.0CVE-2006-0335Kerio winroute firewall vulnerabilityMultiple unspecified vulnerabilities in Kerio WinRoute Firewall before 6.1.4 Patch 1 allow remote attackers to cause a denial of service via multiple…EPSS 2.7%5.0CVE-2005-1063Kerio mailserver vulnerabilityThe administration protocol for Kerio WinRoute Firewall 6.x up to 6.0.10, Personal Firewall 4.x up to 4.1.2, and MailServer up to 6.0.8 allows remote…EPSS 1.6%2.1CVE-2007-6385Kerio winroute firewall improper authentication vulnerabilityThe proxy server in Kerio WinRoute Firewall before 6.4.1 does not properly enforce authentication for HTTPS pages, which has unknown impact and attac…EPSS 0.37%

Source: NIST National Vulnerability Database (record CVE-2006-0336), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.