CVE-2018-20390: Kaonmedia CG2001-AN22A Firmware

Critical severity, CVSS 9.8. EPSS: 1.5% chance of exploitation in the next 30 days.

Kaonmedia CG2001-AN22A 1.2.1, CG2001-UDBNA 3.0.8, and CG2001-UN2NA 3.0.8 devices allow remote attackers to discover credentials via iso.3.6.1.4.1.4491.2.4.1.1.6.1.1.0 and iso.3.6.1.4.1.4491.2.4.1.1.6.1.2.0 SNMP requests.

Affected products

• Kaonmedia CG2001-AN22A Firmware: version 1.2.1 only
• Kaonmedia CG2001-Udbna Firmware: version 3.0.8 only
• Kaonmedia CG2001-UN2NA Firmware: version 3.0.8 only

Published 2018-12-23. Last modified 2026-06-17.