A Use of Password Hash Instead of Password for Authentication issue was discovered in Dahua DH-IPC-HDBW23A0RN-ZS DH-IPC-HDBW13A0SN DH-IPC-HDW1XXX DH-IPC-HDW2XXX DH-IPC-HDW4XXX DH-IPC-HFW1XXX DH-IPC-HFW2XXX DH-IPC-HFW4XXX DH-SD6CXX DH-NVR1XXX DH-HCVR4XXX DH-HCVR5XXX DHI-HCVR51A04HE-S3 DHI-HCVR51A08HE-S3 and DHI-HCVR58A32S-S2 devices. The use of password hash instead of password for authentication vulnerability was identified which could allow a malicious user to bypass authentication without obtaining the actual password.