CVE-2019-9676

Severity: high (CVSS 7.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-06-12 · updated 2026-06-17
Weakness: CWE-119

Description

Buffer overflow vulnerability found in some Dahua IP Camera devices IPC-HFW1XXX,IPC-HDW1XXX,IPC-HFW2XXX Build before 2018/11. The vulnerability exits in the function of redirection display for serial port printing information, which can not be used by product basic functions. After an attacker logs in locally, this vulnerability can be exploited to cause device restart or arbitrary code execution. Dahua has identified the corresponding security problems in the static code auditing process, so it has gradually deleted this function, which is no longer available in the newer devices and softwares. Dahua has released versions of the affected products to fix the vulnerability.

Affected products

Dahuasecurity Ipc-Hdw1Xxx Firmware: before 2018-11 — fixed in 2018-11
Dahuasecurity Ipc-Hfw1Xxx Firmware: before 2018-11 — fixed in 2018-11
Dahuasecurity Ipc-Hfw2Xxx Firmware: before 2018-11 — fixed in 2018-11

How to fix

Upgrade to a fixed version: Dahuasecurity Ipc-Hdw1Xxx Firmware 2018-11; Dahuasecurity Ipc-Hfw1Xxx Firmware 2018-11; Dahuasecurity Ipc-Hfw2Xxx Firmware 2018-11. Check the vendor advisory for mitigations.

References

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