Some Dahua software products have a vulnerability of unauthenticated enable or disable SSHD service. After bypassing the firewall access control policy, by sending a specific crafted packet to the vulnerable interface, an attacker could enable or disable the SSHD service.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Dss_express | Dahuasecurity | 7.002.1760000.2 (including) | 7.002.1760000.2 (including) |
| Dss_express | Dahuasecurity | 8.0.2 (including) | 8.0.2 (including) |
| Dss_express | Dahuasecurity | 8.0.4 (including) | 8.0.4 (including) |
| Dss_express | Dahuasecurity | 8.1 (including) | 8.1 (including) |
| Dss_express | Dahuasecurity | 8.1.1 (including) | 8.1.1 (including) |
| Dss_professional | Dahuasecurity | 7.002.1760000.2 (including) | 7.002.1760000.2 (including) |
| Dss_professional | Dahuasecurity | 8.0.2 (including) | 8.0.2 (including) |
| Dss_professional | Dahuasecurity | 8.0.4 (including) | 8.0.4 (including) |
| Dss_professional | Dahuasecurity | 8.1 (including) | 8.1 (including) |
| Dss_professional | Dahuasecurity | 8.1.1 (including) | 8.1.1 (including) |