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CVE-2019-9677

CRITICAL
9.8
CVSS Score
Published: September 18, 2019 at 06:46 PM UTC
Updated: June 17, 2026 at 02:44 AM UTC
27 products affected across 2 vendorsIpc HFW1X2X FirmwareIpc HDBW4X2X FirmwareIpc HDW1X2X Firmware

Using IPC-HDW1X2X,IPC-HFW1X2X,IPC-HDW2X2X,IPC-HFW2X2X,IPC-HDW4X2X,IPC-HFW4X2X,IPC-HDBW4X2X,IPC-HDW5X2X,IPC-HFW5X2X by Dahua Technology?

Get instant alerts when new vulnerabilities affect IPC-HDW1X2X,IPC-HFW1X2X,IPC-HDW2X2X,IPC-HFW2X2X,IPC-HDW4X2X,IPC-HFW4X2X,IPC-HDBW4X2X,IPC-HDW5X2X,IPC-HFW5X2X - before attackers find them.

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Severity
CRITICAL9.8
Exploit prediction
EPSS 1%

Description

The specific fields of CGI interface of some Dahua products are not strictly verified, an attacker can cause a buffer overflow by constructing malicious packets. 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ipc HDBW4X2X Firmware· Dahuasecurity
95%
v < 2019-08-18
Affected range stops below 2019-08-18, so it looks safe — our inference, not a vendor statement
dahuasecurity-ipc-hdbw4x2x (same device)
Ipc HDW1X2X Firmware· Dahuasecurity
95%
v < 2019-08-18
Affected range stops below 2019-08-18, so it looks safe — our inference, not a vendor statement
dahuasecurity-ipc-hdw1x2x (same device)
Ipc HDW2X2X Firmware· Dahuasecurity
95%
v < 2019-08-18
Affected range stops below 2019-08-18, so it looks safe — our inference, not a vendor statement
dahuasecurity-ipc-hdw2x2x (same device)
Ipc HDW4X2X Firmware· Dahuasecurity
95%
v < 2019-08-18
Affected range stops below 2019-08-18, so it looks safe — our inference, not a vendor statement
dahuasecurity-ipc-hdw4x2x (same device)
Ipc HDW5X2X Firmware· Dahuasecurity
95%
v < 2019-08-18
Affected range stops below 2019-08-18, so it looks safe — our inference, not a vendor statement
dahuasecurity-ipc-hdw5x2x (same device)
Ipc HFW1X2X Firmware· Dahuasecurity
95%
v < 2019-08-18
Affected range stops below 2019-08-18, so it looks safe — our inference, not a vendor statement
dahuasecurity-ipc-hfw1x2x (same device)
Ipc HFW2X2X Firmware· Dahuasecurity
95%
v < 2019-08-18
Affected range stops below 2019-08-18, so it looks safe — our inference, not a vendor statement
dahuasecurity-ipc-hfw2x2x (same device)
Ipc HFW4X2X Firmware· Dahuasecurity
95%
v < 2019-08-18
Affected range stops below 2019-08-18, so it looks safe — our inference, not a vendor statement
dahuasecurity-ipc-hfw4x2x (same device)
Ipc HFW5X2X Firmware· Dahuasecurity
95%
v < 2019-08-18
Affected range stops below 2019-08-18, so it looks safe — our inference, not a vendor statement
dahuasecurity-ipc-hfw5x2x (same device)
IPC-HDBW4X2X· Dahua
60%
Versions which Build time before August 18 2019

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_CONFIRMPatchVendor Advisory
Source: [email protected]
https://www.dahuasecurity.com/support/cybersecurity/details/637

CVSS

9.8CRITICAL[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-120

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