CVE-2005-4050

CVE-2005-4050 is a high-severity vulnerability in Multi-tech Systems Multivoip with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Buffer overflow in multiple Multi-Tech Systems MultiVOIP devices with firmware before x.08 allows remote attackers to execute arbitrary code via a long INVITE field in a Session Initiation Protocol (SIP) packet.

Frequently asked questions

What is CVE-2005-4050?
Buffer overflow in multiple Multi-Tech Systems MultiVOIP devices with firmware before x.08 allows remote attackers to execute arbitrary code via a long INVITE field in a Session Initiation Protocol (SIP) packet.
How severe is CVE-2005-4050?
CVE-2005-4050 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2005-4050 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-4050?
CVE-2005-4050 affects Multi-tech Systems Multivoip. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2005-4050?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2005-4050 published?
CVE-2005-4050 was published on 2005-12-07 and last updated on 2026-06-16.

References

Affected products (1)