CVE-2011-1640 describes a denial-of-service vulnerability in the ethernet-lldp component of Cisco IOS versions 12.2 before 12.2(33)SXJ1. Remote attackers can crash affected devices by sending crafted LLDPDUs containing a large number of LLDP Management Address TLVs. This vulnerability has a CVSS v3.1 score of 7.5 (High), indicating a network-based attack with low complexity that can lead to high availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 12.2, < 12.2\(33\)sxj1CPE matchmatch criteria | cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
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.