CVE-2022-20686 describes multiple vulnerabilities in the Link Layer Discovery Protocol (LLDP) functionality of Cisco ATA 190 Series Analog Telephone Adapter firmware. These flaws, stemming from missing length validation in LLDP packet header fields, could allow an unauthenticated, remote attacker to execute arbitrary code and cause the LLDP service to restart. The vulnerability has a CVSS score of 5.3 (MEDIUM), indicating a network-based attack with low complexity, requiring no user interaction or privileges, and primarily impacting availability. There is currently 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 |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:cisco:ata_190_firmware:-:*:*:*:on-premises:*:*:* | ||
< 11.2.2CPE matchmatch criteria | cpe:2.3:o:cisco:ata_191_firmware:*:*:*:*:multiplatform:*:*:* | ||
< 12.0.1CPE matchmatch criteria | cpe:2.3:o:cisco:ata_191_firmware:*:*:*:*:on-premises:*:*:* | ||
12.0.1CPE matchmatch criteria | cpe:2.3:o:cisco:ata_191_firmware:12.0.1:-:*:*:on-premises:*:*:* | ||
12.0.1CPE matchmatch criteria | cpe:2.3:o:cisco:ata_191_firmware:12.0.1:sr1:*:*:on-premises:*:*:* |
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:L
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.