CVE-2005-4436 describes a denial-of-service vulnerability in Extended Interior Gateway Routing Protocol (EIGRP) 1.2, specifically affecting Cisco IOS versions after 12.3(2), 12.3(3)B, and 12.3(2)T. Remote attackers can trigger this by sending spoofed neighbor announcements with mismatched k values or a malformed "goodbye message" Type-Length-Value (TLV). With a CVSS score of 7.8, this vulnerability is considered high severity, requiring no authentication and having low attack complexity, leading to a complete loss of availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| N/A | N/A | n/aCNA affected |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C
No social media mentions found for this CVE.
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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.