CVE-2019-9677
The specific fields of CGI interface of some Dahua products are not strictly verified, an...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2019-9677- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-120
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2019-9677- Updated
- 2026-11-02
EUVDEUVD-2019-19043 No score
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.
- Record
EUVD-2019-19043- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9x5p-x947-8g6x
The specific fields of CGI interface of some Dahua products are not strictly verified, an...
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.
- Record
GHSA-9x5p-x947-8g6x- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
Affected products
- dahua ipc-hdw1x2x,ipc-hfw1x2x,ipc-hdw2x2x,ipc-hfw2x2x,ipc-hdw4x2x,ipc-hfw4x2x,ipc-hdbw4x2x,ipc-hdw5x2x,ipc-hfw5x2x
- dahua technology ipc-hdw1x2x,ipc-hfw1x2x,ipc-hdw2x2x,ipc-hfw2x2x,ipc-hdw4x2x,ipc-hfw4x2x,ipc-hdbw4x2x,ipc-hdw5x2x,ipc-hfw5x2x
- dahuasecurity ipc-hdbw4x2x firmware
- dahuasecurity ipc-hdw1x2x firmware
- dahuasecurity ipc-hdw2x2x firmware
- dahuasecurity ipc-hdw4x2x firmware
- dahuasecurity ipc-hdw5x2x firmware
- dahuasecurity ipc-hfw1x2x firmware
- dahuasecurity ipc-hfw2x2x firmware
- dahuasecurity ipc-hfw4x2x firmware
- dahuasecurity ipc-hfw5x2x firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-9677 is a critical vulnerability (CVSS 9.8) in Dahua Ipc-hdw1x2x,ipc-hfw1x2x,ipc-hdw2x2x,ipc-hfw2x2x,ipc-hdw4x2x,ipc-hfw4x2x,ipc-hdbw4x2x,ipc-hdw5x2x,ipc-hfw5x2x, published September 18, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.14%, the 66th percentile. No source names a fixed version.