CVE Database · CVE-2006-4775
CVSS v3.1
N/A
EPSS
4.75%
Published
Sep 13, 2006
Modified
Apr 15, 2026
Public PoC / Exploit (1)
All weaponized →Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
Description
The VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(19) and CatOS allows remote attackers to cause a denial of service by sending a VTP update with a revision value of 0x7FFFFFFF, which is incremented to 0x80000000 and is interpreted as a negative number in a signed context.
Weaknesses (CWE)
References (20)
