Unrated severityNVD Advisory· Published Dec 31, 2005· Updated Jun 16, 2026
CVE-2005-4826
CVE-2005-4826
Description
Unspecified vulnerability in the VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(22)EA3 on Catalyst 2950T switches allows remote attackers to cause a denial of service (device reboot) via a crafted Subset-Advert message packet, a different issue than CVE-2006-4774, CVE-2006-4775, and CVE-2006-4776.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2=12.1(22)EA3+ 1 more
- (no CPE)range: =12.1(22)EA3
- cpe:2.3:o:cisco:ios:12.1\(22\)ea3:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
11- www.s21sec.com/en/avisos/s21sec-034-en.txtnvdVendor Advisory
- osvdb.org/33013nvd
- secunia.com/advisories/23892nvd
- securitytracker.com/idnvd
- www.blackhat.com/html/bh-europe-05/bh-eu-05-speakers.htmlnvd
- www.cisco.com/en/US/products/products_security_response09186a00807d1a81.htmlnvd
- www.securityfocus.com/archive/1/458240/100/0/threadednvd
- www.securityfocus.com/archive/1/458554/100/0/threadednvd
- www.securityfocus.com/bid/22268nvd
- www.vupen.com/english/advisories/2007/0414nvd
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5544nvd
News mentions
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