CVE-2005-4826 describes an unspecified denial-of-service vulnerability in the VLAN Trunking Protocol (VTP) feature of Cisco IOS 12.1(22)EA3 on Catalyst 2950T switches. An unauthenticated remote attacker on the same network segment can trigger a device reboot by sending a crafted Subset-Advert message packet. With a CVSS score of 6.1, this vulnerability is moderately severe, requiring local network access but no authentication for a complete denial of service. There is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
12.1\(22\)ea3CPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.1\(22\)ea3:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:A/AC:L/Au:N/C:N/I:N/A:C
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No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.