CVE intelligence and bounded remediation

CVE-2017-6343 — Dahuasecurity Camera Firmware security vulnerability

High CVSS 9.3

The web interface on Dahua DHI-HCVR7216A-S3 devices with NVR Firmware 3.210.0001.10 2016-06-06, Camera Firmware 2.400.0000.28.R 2016-03-29, and SmartPSS Software 1.16.1 2017-01-19 allows remote attackers to obtain login access by leveraging knowledge of the MD5 Admin Hash without knowledge of the corresponding password, a different vulnerability than CVE-2013-6117.

Severity
High
CVSS
9.3 (2.0)
Published
2017-02-27
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-287

Affected products

  • dahuasecurity / camera_firmware / 2.400.0000.28.r
  • dahuasecurity / nvr_firmware / 3.210.0001.10
  • dahuasecurity / smartpss_firmware / 1.16.1

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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