CVE-2022-2471: Ezviz Cs-c3w-a0-3h4wfrl Firmware

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

Stack-based Buffer Overflow vulnerability in the EZVIZ Motion Detection component as used in camera models CS-CV248, CS-C6N-A0-1C2WFR, CS-DB1C-A0-1E2W2FR, CS-C6N-B0-1G2WF, CS-C3W-A0-3H4WFRL allows a remote attacker to execute remote code on the device. This issue affects: EZVIZ CS-CV248 versions prior to 5.2.3 build 220725. EZVIZ CS-C6N-A0-1C2WFR versions prior to 5.3.0 build 220428. EZVIZ CS-DB1C-A0-1E2W2FR versions prior to 5.3.0 build 220802. EZVIZ CS-C6N-B0-1G2WF versions prior to 5.3.0 build 220712. EZVIZ CS-C3W-A0-3H4WFRL versions prior to 5.3.5 build 220723.

Affected products

• Ezviz Cs-c3w-a0-3h4wfrl Firmware: version 5.3.5 only
• Ezviz Cs-c6n-a0-1c2wfr Firmware: version 5.3.0 only
• Ezviz Cs-c6n-b0-1g2wf Firmware: version 5.3.0 only
• Ezviz Cs-CV248 Firmware: version 5.2.1 only
• Ezviz Cs-DB1C-a0-1e2w2fr Firmware: version 5.3.0 only

Published 2022-09-15. Last modified 2026-06-17.