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CVE-2019-9679· NVD / CVE Program· CNA dahua

Some of Dahua's Debug functions do not have permission separation.

Some of Dahua's Debug functions do not have permission separation. Low-privileged users can use the Debug function after logging in. Affected products include: IPC-HDW1X2X,IPC-HFW1X2X,IPC-HDW2X2X,IPC-HFW2X2X,IPC-HDW4X2X,IPC-HFW4X2X,IPC-HDBW4X2X,IPC-HDW5X2X,IPC-HFW5X2X for versions which Build time is before August 18,2019.

HighCVSS 8.8 · v3.1—No exploit No fix recorded
Published
Sep 18, 2019
Updated
Jun 16, 2026
EPSS
0.9% · 57th percentile
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Report tools

JSON

Action score

35

Monitor

Low priority for now.

CVSS
35 / 40 · 8.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.9%

Affected systems

VendorProduct
dahuasecurityipc-hdw1x2x firmware
dahuasecurityipc-hdw1x2x
dahuasecurityipc-hfw1x2x firmware
dahuasecurityipc-hfw1x2x
dahuasecurityipc-hdw2x2x firmware
dahuasecurityipc-hdw2x2x
dahuasecurityipc-hfw2x2x firmware
dahuasecurityipc-hfw2x2x
dahuasecurityipc-hdw4x2x firmware
dahuasecurityipc-hdw4x2x
dahuasecurityipc-hfw4x2x firmware
dahuasecurityipc-hfw4x2x

and 6 more

Affected versions

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

  • dahuasecurity ipc-hdbw4x2x firmwarebefore 2019-08-18
  • dahuasecurity ipc-hdw1x2x firmwarebefore 2019-08-18
  • dahuasecurity ipc-hdw2x2x firmwarebefore 2019-08-18
  • dahuasecurity ipc-hdw4x2x firmwarebefore 2019-08-18
  • dahuasecurity ipc-hdw5x2x firmwarebefore 2019-08-18
  • dahuasecurity ipc-hfw1x2x firmwarebefore 2019-08-18
  • dahuasecurity ipc-hfw2x2x firmwarebefore 2019-08-18
  • dahuasecurity ipc-hfw4x2x firmwarebefore 2019-08-18
  • dahuasecurity ipc-hfw5x2x firmwarebefore 2019-08-18

Versions reported by the vendor

Affected version ranges reported by the assigning authority (dahua). Independent of NVD's CPE analysis and usually ahead of it.

  • Dahua Technology IPC-HDW1X2X,IPC-HFW1X2X,IPC-HDW2X2X,IPC-HFW2X2X,IPC-HDW4X2X,IPC-HFW4X2X,IPC-HDBW4X2X,IPC-HDW5X2X,IPC-HFW5X2X

    • Versions which Build time before August 18 2019affected

Same product

dahuasecurity: all records

Other highest-scoring records for the same primary product.

  • CVE-2019-9677The specific fields of CGI interface of some Dahua products are not strictly verified, an attacker can cause a buffer overflow by constructi
    39Monitor
  • CVE-2019-9678Some Dahua products have the problem of denial of service during the login process.
    30Monitor
  • CVE-2019-9680Some Dahua products have information leakage issues.
    21Monitor
  • CVE-2019-9681Online upgrade information in some firmware packages of Dahua products is not encrypted.
    21Monitor

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

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

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.

No dated events beyond publication.

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

  • Anyone who can reach it over the internet can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-276 · Incorrect Default Permissions

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

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.

We use this product, ask for help

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