HOMEVULNERABILITIESCVE-2017-7927
HIGH

CVE-2017-7927

CWE-836Published: May 6, 2017· Updated: Jun 17, 2026

7.3
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2017-7927 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityLow
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected Vendors & Products

dahuasecurity30 product(s)
dh-ipc-hdbw23a0rn-zs firmwaredh-ipc-hdbw23a0rn-zsdh-ipc-hdbw13a0sn firmwaredh-ipc-hdbw13a0sndh-ipc-hdw1xxx firmwaredh-ipc-hdw1xxxdh-ipc-hdw2xxx firmwaredh-ipc-hdw2xxxdh-ipc-hdw4xxx firmwaredh-ipc-hdw4xxxdh-ipc-hfw1xxx firmwaredh-ipc-hfw1xxx+18
Source: NVD CPE · 30 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttp://us.dahuasecurity.com/en/us/Security-Bulletin_030617.php
PATCHhttp://us.dahuasecurity.com/en/us/Security-Bulletin_030617.php
ADVISORYhttp://www.securityfocus.com/bid/98312
ADVISORYhttps://ics-cert.us-cert.gov/advisories/ICSA-17-124-02
ADVISORYhttp://www.securityfocus.com/bid/98312
ADVISORYhttps://ics-cert.us-cert.gov/advisories/ICSA-17-124-02

All References (6)

→
http://us.dahuasecurity.com/en/us/Security-Bulletin_030617.phpPatch · Vendor Advisory
→
http://www.securityfocus.com/bid/98312Third Party Advisory · VDB Entry
→
https://ics-cert.us-cert.gov/advisories/ICSA-17-124-02Mitigation · Third Party Advisory · US Government Resource
→
http://us.dahuasecurity.com/en/us/Security-Bulletin_030617.phpPatch · Vendor Advisory
→
http://www.securityfocus.com/bid/98312Third Party Advisory · VDB Entry
→
https://ics-cert.us-cert.gov/advisories/ICSA-17-124-02Mitigation · Third Party Advisory · US Government Resource

Quick Facts

CVE IDCVE-2017-7927
CVSS Score7.3 / 10
SeverityHIGH
WeaknessCWE-836
CISA KEVNo
Affected1 vendor(s)
PublishedMay 6, 2017

Related CVEs (CWE-836)

CVE-2021-23857
9.8
CVE-2023-23450
9.8
CVE-2023-34132
9.8
CVE-2022-32282
8.8
CVE-2023-39546
8.8
CVE-2026-9222
8.1

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2017-7927 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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