CVE-2019-9678

Name: CVE-2019-9678
Creator: NVD / NIST
Published: 2019-09-18T19:15:11.47+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.04%

Last modified Jun 17, 2026

CVE-2019-9678 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Some Dahua products have the problem of denial of service during the login process. An attacker can cause a device crashed by constructing a malicious packet. EPSS estimates a 1.04% chance of exploitation in the next 30 days.

Description

Some Dahua products have the problem of denial of service during the login process. An attacker can cause a device crashed by constructing a malicious packet. 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.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.04%

59.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Dahuasecurity	Ipc-Hdw1x2x Firmware	< 2019-08-18
Dahuasecurity	Ipc-Hfw1x2x Firmware	< 2019-08-18
Dahuasecurity	Ipc-Hdw2x2x Firmware	< 2019-08-18
Dahuasecurity	Ipc-Hfw2x2x Firmware	< 2019-08-18
Dahuasecurity	Ipc-Hdw4x2x Firmware	< 2019-08-18
Dahuasecurity	Ipc-Hfw4x2x Firmware	< 2019-08-18
Dahuasecurity	Ipc-Hdbw4x2x Firmware	< 2019-08-18
Dahuasecurity	Ipc-Hdw5x2x Firmware	< 2019-08-18
Dahuasecurity	Ipc-Hfw5x2x Firmware	< 2019-08-18

References

https://www.dahuasecurity.com/support/cybersecurity/details/637Patch, Vendor Advisory
https://www.dahuasecurity.com/support/cybersecurity/details/637Patch, Vendor Advisory

Timeline

Published: Sep 18, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-9678?

How severe is CVE-2019-9678?

CVE-2019-9678 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.04% probability of exploitation in the next 30 days.

How do I fix CVE-2019-9678?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-9678?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST