CVE-2006-1067

CVE-2006-1067 is a medium-severity vulnerability in Linksys Wrt54g V5 with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Linksys WRT54G routers version 5 (running VXWorks) allow remote attackers to cause a denial of service by sending a malformed DCC SEND string to an IRC channel, which causes an IRC connection reset, possibly related to the masquerading code for NAT environments, and as demonstrated via (1) a DCC SEND with a single long argument, or (2) a DCC SEND with IP, port, and filesize arguments with a 0 value.

Frequently asked questions

What is CVE-2006-1067?
Linksys WRT54G routers version 5 (running VXWorks) allow remote attackers to cause a denial of service by sending a malformed DCC SEND string to an IRC channel, which causes an IRC connection reset, possibly related to the masquerading code for NAT environments, and as demonstrated via (1) a DCC SEND with a single long argument, or (2) a DCC SEND with IP, port, and filesize arguments with a 0 value.
How severe is CVE-2006-1067?
CVE-2006-1067 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2006-1067 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-1067?
CVE-2006-1067 affects Linksys Wrt54g V5. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-1067?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-1067 published?
CVE-2006-1067 was published on 2006-03-07 and last updated on 2026-06-16.

References

Affected products (1)

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