SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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).

HIGH 7.8EPSS 2.45%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.45%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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).

CVSS 2.0
7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
EPSS
2.45% probability · 84th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
avm/fritzbox
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 2.45%26 October 202626 October 2026

EPSS 2.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.