CVE-2007-0431

CVE-2007-0431 is a high-severity vulnerability in Avm Fritzbox with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

AVM Fritz!Box 7050, and possibly other product models, allows remote attackers to cause a denial of service (VoIP application crash) via a zero-length UDP packet to the SIP port (port 5060).

Frequently asked questions

What is CVE-2007-0431?
AVM Fritz!Box 7050, and possibly other product models, allows remote attackers to cause a denial of service (VoIP application crash) via a zero-length UDP packet to the SIP port (port 5060).
How severe is CVE-2007-0431?
CVE-2007-0431 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2007-0431 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-0431?
CVE-2007-0431 affects Avm Fritzbox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-0431?
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-2007-0431 published?
CVE-2007-0431 was published on 2007-01-23 and last updated on 2026-06-16.

References

Affected products (1)