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CVE-2013-3612· NVD / CVE Program· CNA certcc

Dahua DVR appliances have a hardcoded password for (1) the root account and (2) an unspecified "backdoor" account, which makes it easier for

Dahua DVR appliances have a hardcoded password for (1) the root account and (2) an unspecified "backdoor" account, which makes it easier for remote attackers to obtain administrative access via authorization requests involving (a) ActiveX, (b) a standalone client, or (c) unknown other vectors.

CriticalCVSS 10.0 · v2.0—Proof of concept No fix recorded
Published
Sep 17, 2013
Updated
Jun 16, 2026
EPSS
10.3% · 96th percentile
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Report tools

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Action score

43

Plan

Add it to your regular patch cycle.

CVSS
40 / 40 · 10.0 / 10
CISA KEV
0 / 30 · Not listed
EPSS
3 / 30 · 10.3%

Affected systems

VendorProduct
dahuasecuritydvr0404hd-a
dahuasecuritydvr0404hd-l
dahuasecuritydvr0404hd-s
dahuasecuritydvr0404hd-u
dahuasecuritydvr0404hf-a-e
dahuasecuritydvr0404hf-al-e
dahuasecuritydvr0404hf-s-e
dahuasecuritydvr0404hf-u-e
dahuasecuritydvr0804
dahuasecuritydvr0804hd-l
dahuasecuritydvr0804hd-s
dahuasecuritydvr0804hf-a-e

and 53 more

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • dahuasecurity dvr0404hd-aall versions
  • dahuasecurity dvr0404hd-lall versions
  • dahuasecurity dvr0404hd-sall versions
  • dahuasecurity dvr0404hd-uall versions
  • dahuasecurity dvr0404hf-a-eall versions
  • dahuasecurity dvr0404hf-al-eall versions
  • dahuasecurity dvr0404hf-s-eall versions
  • dahuasecurity dvr0404hf-u-eall versions
  • dahuasecurity dvr0804all versions
  • dahuasecurity dvr0804hd-lall versions
  • dahuasecurity dvr0804hd-sall versions
  • dahuasecurity dvr0804hf-a-eall versions
  • dahuasecurity dvr0804hf-al-eall versions
  • dahuasecurity dvr0804hf-l-eall versions
  • dahuasecurity dvr0804hf-s-eall versions
  • dahuasecurity dvr0804hf-u-eall versions
  • dahuasecurity dvr1604hd-lall versions
  • dahuasecurity dvr1604hd-sall versions
  • dahuasecurity dvr1604hf-a-eall versions
  • dahuasecurity dvr1604hf-al-eall versions

Same product

dahuasecurity: all records

Other highest-scoring records for the same primary product.

  • CVE-2013-5754The authorization implementation on Dahua DVR appliances accepts a hash string representing the current date for the role of a master passwo
    41Plan
  • CVE-2013-3614Dahua DVR appliances have a small value for the maximum password length, which makes it easier for remote attackers to obtain access via a b
    39Monitor
  • CVE-2013-3615Dahua DVR appliances use a password-hash algorithm with a short hash length, which makes it easier for context-dependent attackers to discov
    33Monitor
  • CVE-2013-3613Dahua DVR appliances do not properly restrict UPnP requests, which makes it easier for remote attackers to obtain access via vectors involvi
    33Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

Proof of concept available

A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.

Evidence

  • Exploit-DB entry ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Exploit-DB entrywebapps2013-11-18

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. Published
  2. First PoC+62 d
  3. TodaySep 30, 2026+4762 d
EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • No special conditions are required; it is repeatable.

If successful

Confidentiality
C · data can be read
Integrity
C · data or configuration can be modified
Availability
C · the service can be disrupted
Attack complexity
Low
Confidentiality impact
C
Integrity impact
C
Availability impact
C

Weakness class (CWE)

CWE-255 · Credentials Management Errors

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records