VULNERABILITY INTELLIGENCE
CVE-2007-5636
CVSS score7.5 HIGH
EPSS probability6.69%
CISA KEVNot currently listed
Published2007-10-23
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:P/I:P/A:P
Description
Buffer overflow in the Nortel UNIStim IP Softphone 2050 allows remote attackers to cause a denial of service (application abort) and possibly execute arbitrary code via a flood of invalid characters to the RTCP port (5678/udp) that triggers a Windows error message, aka "extraneous messaging."
Weakness classification
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer