CVE intelligence and bounded remediation

CVE-2017-7927 — Dahuasecurity Dh-Ipc-Hdbw23A0Rn-Zs Firmware security vulnerability

High CVSS 7.5

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.

Severity
High
CVSS
7.5 (2.0)
Published
2017-05-06
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-836, CWE-798

Affected products

  • dahuasecurity / dh-ipc-hdbw23a0rn-zs_firmware
  • dahuasecurity / dh-ipc-hdbw13a0sn_firmware
  • dahuasecurity / dh-ipc-hdw1xxx_firmware
  • dahuasecurity / dh-ipc-hdw2xxx_firmware
  • dahuasecurity / dh-ipc-hdw4xxx_firmware
  • dahuasecurity / dh-ipc-hfw1xxx_firmware

Showing 6 representative product identities from 15 source matches. Confirm exact affected versions with the linked vendor and NVD evidence.

Matched remediation archetype

Authentication bypass and missing authentication

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Check exposure

  • Map every affected endpoint and protocol path, including alternate ports, legacy routes, recovery flows, service accounts, and machine-to-machine access.
  • Confirm which deployments enable the affected authentication mode and whether the interface is reachable from untrusted networks.
  • Review session, token, credential, and proxy trust configuration without attempting account takeover.

Remediate safely

  • Apply the supported fix and centralize fail-closed authentication before protected request handling.
  • Remove default or embedded credentials, rotate affected secrets and sessions, and bind authentication decisions to the intended audience and channel.
  • Add negative tests for alternate routes, malformed or absent credentials, recovery flows, and proxy-derived identity.

Authoritative sources

Complete CVE record and remediation plan

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