Dvr0404hd AHardware / appliance · Dahuasecurity

CVE-2013-3615

HIGH · 7.8 CVSS v2.0 Published 2013-09-17
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
87/100
Remediation priority · High
Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Dahua DVR appliances use a password-hash algorithm with a short hash length, which makes it easier for context-dependent attackers to discover cleartext passwords via a brute-force attack.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

Dahua DVR appliances implement a password-hashing algorithm with insufficient hash length, creating a cryptographic weakness that allows attackers to more easily brute-force the hashing algorithm and recover plaintext passwords. The short hash length reduces the computational complexity required for password cracking attacks.

MitigationApply vendor firmware updates when available; until then, enforce network segmentation, restrict access to the DVR management interfaces, and implement strong, unique passwords to reduce the attack surface.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Dvr0404hd AHardware / appliance
Affected:all versions
Dvr0404hd LHardware / appliance
Affected:all versions
Dvr0404hd SHardware / appliance
Affected:all versions
Dvr0404hd UHardware / appliance
Affected:all versions
Dvr0404hf A EHardware / appliance
Affected:all versions
Dvr0404hf Al EHardware / appliance
Affected:all versions
Dvr0404hf S EHardware / appliance
Affected:all versions
Dvr0404hf U EHardware / appliance
Affected:all versions

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
None
Availability
None

AV:N/AC:L/Au:N/C:C/I:N/A:N

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify the DVR device model
    Access the DVR system information or check the physical device label for the exact model number (e.g., Dvr0404hd A, Dvr0404hd L, Dvr0404hd S, Dvr0404hd U, Dvr0404hf A E, Dvr0404hf Al E, Dvr0404hf S E, or Dvr0404hf U E)
    Affected if The device model matches one of the eight listed models (Dahuasecurity Dvr0404hd* or Dvr0404hf* variants)
  2. Verify firmware version
    Log into the DVR admin interface and navigate to System Information or Settings to view the installed firmware version; there is no specific version range as all versions are affected
    Affected if The device is one of the affected models regardless of firmware version since the advisory states all versions are vulnerable
  3. Confirm network exposure of DVR management interface
    Scan external-facing IP addresses or review firewall rules for open ports commonly used by Dahua DVRs (port 80, 443, 554, 37777, 37778)
    Affected if The DVR management web interface or RTSP ports are accessible from untrusted networks
  4. Inspect authentication mechanism
    Attempt to access the DVR login page via HTTP/HTTPS and examine the authentication response or capture a login attempt to observe the password handling
    Affected if The device uses its default web-based authentication which employs the weak hash algorithm

If the device is any of the eight listed Dahua Dvr0404hd or Dvr0404hf model variants with exposed management interfaces, the environment is affected by this weak password hashing vulnerability.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply vendor firmware updates when available; until then, enforce network segmentation, restrict access to the DVR management interfaces, and implement strong, unique passwords to reduce the attack surface.

Fix this in Dvr0404hd A Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing3.0 h
  • Review / QA1.0 h
10.0 hours of engineering $1,750
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Scan for this in your stack

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2013-3615 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data