CVE-2023-48121: Ezviz Cs-c3n-a0-3h2wfrl Firmware

Medium severity, CVSS 5.3. EPSS: 0.8% chance of exploitation in the next 30 days.

An authentication bypass vulnerability in the Direct Connection Module in Ezviz CS-C6N-xxx prior to v5.3.x build 20230401, Ezviz CS-CV310-xxx prior to v5.3.x build 20230401, Ezviz CS-C6CN-xxx prior to v5.3.x build 20230401, Ezviz CS-C3N-xxx prior to v5.3.x build 20230401 allows remote attackers to obtain sensitive information by sending crafted messages to the affected devices.

Affected products

• Ezviz Cs-c3n-a0-3h2wfrl Firmware: affected versions not specified
• Ezviz Cs-c6cn-a0-3h2wfr Firmware: affected versions not specified
• Ezviz Cs-c6n-a0-1c2wfr Firmware: affected versions not specified
• Ezviz Cs-CV310-a0-1c2wfr Firmware: affected versions not specified

Published 2023-11-28. Last modified 2026-06-17.