CVE-2022-45423: Dahuasecurity Dhi-DSS4004-s2 Firmware

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

Some Dahua software products have a vulnerability of unauthenticated request of MQTT credentials. An attacker can obtain encrypted MQTT credentials by sending a specific crafted packet to the vulnerable interface (the credentials cannot be directly exploited).

Affected products

• Dahuasecurity Dhi-DSS4004-s2 Firmware: version 1.001.0000001.2 only; version 8.0.2 only; version 8.0.4 only; version 8.1 only
• Dahuasecurity Dhi-DSS7016D-s2 Firmware: version 1.001.0000001.2 only; version 8.0.2 only; version 8.0.4 only; version 8.1 only
• Dahuasecurity Dhi-DSS7016DR-s2 Firmware: version 1.001.0000001.2 only; version 8.0.2 only; version 8.0.4 only; version 8.1 only
• Dahuasecurity Dss Express: version 7.002.1760000.2 only; version 8.0.2 only; version 8.0.4 only; version 8.1 only; version 8.1.1 only
• Dahuasecurity Dss Professional: version 7.002.1760000.2 only; version 8.0.2 only; version 8.0.4 only; version 8.1 only; version 8.1.1 only

Published 2022-12-27. Last modified 2026-06-17.