Buffer overflow in Dahua Technologies…
Priority MEDIUM 44CWE-120Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.01144 66th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Dahua Technologies | 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 2019 | — | No fix listed | CNA |
- IPC-HDW1X2X,IPC-HFW1X2X,IPC-HDW2X2X,IPC-HFW2X2X,IPC-HDW4X2X,IPC-HFW4X2X,IPC-HDBW4X2X,IPC-HDW5X2X,IPC-HFW5X2X VendorDahua Technologies Affected Versions which Build time before August 18 2019 Fixed in — No fix listed CNA
CPE configurations NVD · 18
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:dahuasecurity:ipc-hdw1x2x_firmware:*:*:*:*:*:*:*:* | before 2019-08-18 | Vulnerable | Dahua Technologies |
| cpe:2.3:h:dahuasecurity:ipc-hdw1x2x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dahua Technologies |
| cpe:2.3:o:dahuasecurity:ipc-hfw1x2x_firmware:*:*:*:*:*:*:*:* | before 2019-08-18 | Vulnerable | Dahua Technologies |
| cpe:2.3:h:dahuasecurity:ipc-hfw1x2x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dahua Technologies |
| cpe:2.3:o:dahuasecurity:ipc-hdw2x2x_firmware:*:*:*:*:*:*:*:* | before 2019-08-18 | Vulnerable | Dahua Technologies |
| cpe:2.3:h:dahuasecurity:ipc-hdw2x2x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dahua Technologies |
| cpe:2.3:o:dahuasecurity:ipc-hfw2x2x_firmware:*:*:*:*:*:*:*:* | before 2019-08-18 | Vulnerable | Dahua Technologies |
| cpe:2.3:h:dahuasecurity:ipc-hfw2x2x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dahua Technologies |
| cpe:2.3:o:dahuasecurity:ipc-hdw4x2x_firmware:*:*:*:*:*:*:*:* | before 2019-08-18 | Vulnerable | Dahua Technologies |
| cpe:2.3:h:dahuasecurity:ipc-hdw4x2x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dahua Technologies |
- cpe:2.3:o:dahuasecurity:ipc-hdw1x2x_firmware:*:*:*:*:*:*:*:* Versions before 2019-08-18 Vulnerable ·Dahua Technologies
- cpe:2.3:h:dahuasecurity:ipc-hdw1x2x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
- cpe:2.3:o:dahuasecurity:ipc-hfw1x2x_firmware:*:*:*:*:*:*:*:* Versions before 2019-08-18 Vulnerable ·Dahua Technologies
- cpe:2.3:h:dahuasecurity:ipc-hfw1x2x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
- cpe:2.3:o:dahuasecurity:ipc-hdw2x2x_firmware:*:*:*:*:*:*:*:* Versions before 2019-08-18 Vulnerable ·Dahua Technologies
- cpe:2.3:h:dahuasecurity:ipc-hdw2x2x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
- cpe:2.3:o:dahuasecurity:ipc-hfw2x2x_firmware:*:*:*:*:*:*:*:* Versions before 2019-08-18 Vulnerable ·Dahua Technologies
- cpe:2.3:h:dahuasecurity:ipc-hfw2x2x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
- cpe:2.3:o:dahuasecurity:ipc-hdw4x2x_firmware:*:*:*:*:*:*:*:* Versions before 2019-08-18 Vulnerable ·Dahua Technologies
- cpe:2.3:h:dahuasecurity:ipc-hdw4x2x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
Show 8 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:dahuasecurity:ipc-hfw4x2x_firmware:*:*:*:*:*:*:*:* | before 2019-08-18 | Vulnerable | Dahua Technologies |
| cpe:2.3:h:dahuasecurity:ipc-hfw4x2x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dahua Technologies |
| cpe:2.3:o:dahuasecurity:ipc-hdbw4x2x_firmware:*:*:*:*:*:*:*:* | before 2019-08-18 | Vulnerable | Dahua Technologies |
| cpe:2.3:h:dahuasecurity:ipc-hdbw4x2x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dahua Technologies |
| cpe:2.3:o:dahuasecurity:ipc-hdw5x2x_firmware:*:*:*:*:*:*:*:* | before 2019-08-18 | Vulnerable | Dahua Technologies |
| cpe:2.3:h:dahuasecurity:ipc-hdw5x2x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dahua Technologies |
| cpe:2.3:o:dahuasecurity:ipc-hfw5x2x_firmware:*:*:*:*:*:*:*:* | before 2019-08-18 | Vulnerable | Dahua Technologies |
| cpe:2.3:h:dahuasecurity:ipc-hfw5x2x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dahua Technologies |
- cpe:2.3:o:dahuasecurity:ipc-hfw4x2x_firmware:*:*:*:*:*:*:*:* Versions before 2019-08-18 Vulnerable ·Dahua Technologies
- cpe:2.3:h:dahuasecurity:ipc-hfw4x2x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
- cpe:2.3:o:dahuasecurity:ipc-hdbw4x2x_firmware:*:*:*:*:*:*:*:* Versions before 2019-08-18 Vulnerable ·Dahua Technologies
- cpe:2.3:h:dahuasecurity:ipc-hdbw4x2x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
- cpe:2.3:o:dahuasecurity:ipc-hdw5x2x_firmware:*:*:*:*:*:*:*:* Versions before 2019-08-18 Vulnerable ·Dahua Technologies
- cpe:2.3:h:dahuasecurity:ipc-hdw5x2x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
- cpe:2.3:o:dahuasecurity:ipc-hfw5x2x_firmware:*:*:*:*:*:*:*:* Versions before 2019-08-18 Vulnerable ·Dahua Technologies
- cpe:2.3:h:dahuasecurity:ipc-hfw5x2x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-9677
- 2026-10-03 Alias added: GHSA-9x5p-x947-8g6x
References
More Dahua Technologies Ipc-hdbw4x2x Firmware vulnerabilities
- TI-2019-07083 Incorrect default permissions in Dahua Technologies… CVSS 3.1HIGH 8.8
- TI-2019-07082 Some Dahua products have the problem of denial of service during the login process. CVSS 3.1HIGH 7.5
- TI-2019-07084 Some Dahua products have information leakage issues. CVSS 3.1MEDIUM 5.3
- TI-2019-07085 Online upgrade information in some firmware packages of Dahua products is not encrypted. CVSS 3.1MEDIUM 5.3
Sources
- CVE-2019-9677 · CVE Program
- CVE-2019-9677 · NVD
- FIRST EPSS
- GHSA-9x5p-x947-8g6x · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences