Buffer overflow in IPC-HX2XXX Series,IPC-HXXX5X4X Series,IPC-HX5842H,IPC-HX7842H,NVR 5x…
Priority LOW 35CWE-120Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- 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
Some Dahua products have buffer overflow vulnerabilities. After the successful login of the legal account, the attacker sends a specific DDNS test command, which may cause the device to go down.
Why it matters now
EPSS 0.01501 74th 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 |
|---|---|---|---|---|---|
| — | IPC-HX2XXX Series,IPC-HXXX5X4X Series,IPC-HX5842H,IPC-HX7842H,NVR 5x Series,NVR 4x Series,SD6AL Series,SD5A Series,SD1A Series,PTZ1A Series,SD50/52C Series | Versions which Build time before December,2019 | — | No fix listed | CNA |
- IPC-HX2XXX Series,IPC-HXXX5X4X Series,IPC-HX5842H,IPC-HX7842H,NVR 5x Series,NVR 4x Series,SD6AL Series,SD5A Series,SD1A Series,PTZ1A Series,SD50/52C Series Vendor— Affected Versions which Build time before December,2019 Fixed in — No fix listed CNA
CPE configurations NVD · 38
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:dahuasecurity:sd6al_firmware:*:*:*:*:*:*:*:* | before 2019-12 | Vulnerable | Dahua Technologies |
| cpe:2.3:h:dahuasecurity:sd6al:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dahua Technologies |
| cpe:2.3:o:dahuasecurity:sd5a_firmware:*:*:*:*:*:*:*:* | before 2019-12 | Vulnerable | Dahua Technologies |
| cpe:2.3:h:dahuasecurity:sd5a:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dahua Technologies |
| cpe:2.3:o:dahuasecurity:sd1a_firmware:*:*:*:*:*:*:*:* | before 2019-12 | Vulnerable | Dahua Technologies |
| cpe:2.3:h:dahuasecurity:sd1a:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dahua Technologies |
| cpe:2.3:o:dahuasecurity:ptz1a_firmware:*:*:*:*:*:*:*:* | before 2019-12 | Vulnerable | Dahua Technologies |
| cpe:2.3:h:dahuasecurity:ptz1a:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dahua Technologies |
| cpe:2.3:o:dahuasecurity:sd50_firmware:*:*:*:*:*:*:*:* | before 2019-12 | Vulnerable | Dahua Technologies |
| cpe:2.3:h:dahuasecurity:sd50:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dahua Technologies |
- cpe:2.3:o:dahuasecurity:sd6al_firmware:*:*:*:*:*:*:*:* Versions before 2019-12 Vulnerable ·Dahua Technologies
- cpe:2.3:h:dahuasecurity:sd6al:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
- cpe:2.3:o:dahuasecurity:sd5a_firmware:*:*:*:*:*:*:*:* Versions before 2019-12 Vulnerable ·Dahua Technologies
- cpe:2.3:h:dahuasecurity:sd5a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
- cpe:2.3:o:dahuasecurity:sd1a_firmware:*:*:*:*:*:*:*:* Versions before 2019-12 Vulnerable ·Dahua Technologies
- cpe:2.3:h:dahuasecurity:sd1a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
- cpe:2.3:o:dahuasecurity:ptz1a_firmware:*:*:*:*:*:*:*:* Versions before 2019-12 Vulnerable ·Dahua Technologies
- cpe:2.3:h:dahuasecurity:ptz1a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
- cpe:2.3:o:dahuasecurity:sd50_firmware:*:*:*:*:*:*:*:* Versions before 2019-12 Vulnerable ·Dahua Technologies
- cpe:2.3:h:dahuasecurity:sd50:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
Show 28 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:dahuasecurity:sd52c_firmware:*:*:*:*:*:*:*:* | before 2019-12 | Vulnerable | Dahua Technologies |
| cpe:2.3:h:dahuasecurity:sd52c:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dahua Technologies |
| cpe:2.3:o:dahuasecurity:ipc-hx5842h_firmware:*:*:*:*:*:*:*:* | before 2019-12 | Vulnerable | Dahua Technologies |
| cpe:2.3:h:dahuasecurity:ipc-hx5842h:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dahua Technologies |
| cpe:2.3:o:dahuasecurity:ipc-hx7842h_firmware:*:*:*:*:*:*:*:* | before 2019-12 | Vulnerable | Dahua Technologies |
| cpe:2.3:h:dahuasecurity:ipc-hx7842h:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dahua Technologies |
| cpe:2.3:o:dahuasecurity:ipc-hx2xxx_firmware:*:*:*:*:*:*:*:* | before 2019-12 | Vulnerable | Dahua Technologies |
| cpe:2.3:h:dahuasecurity:ipc-hx2xxx:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dahua Technologies |
| cpe:2.3:o:dahuasecurity:ipc-hxxx5x4x_firmware:*:*:*:*:*:*:*:* | before 2019-12 | Vulnerable | Dahua Technologies |
| cpe:2.3:h:dahuasecurity:ipc-hxxx5x4x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dahua Technologies |
| cpe:2.3:o:dahuasecurity:n42b1p_firmware:*:*:*:*:*:*:*:* | before 2019-12 | Vulnerable | Dahua Technologies |
| cpe:2.3:h:dahuasecurity:n42b1p:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dahua Technologies |
| cpe:2.3:o:dahuasecurity:n42b2p_firmware:*:*:*:*:*:*:*:* | before 2019-12 | Vulnerable | Dahua Technologies |
| cpe:2.3:h:dahuasecurity:n42b2p:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dahua Technologies |
| cpe:2.3:o:dahuasecurity:n42b3p_firmware:*:*:*:*:*:*:*:* | before 2019-12 | Vulnerable | Dahua Technologies |
| cpe:2.3:h:dahuasecurity:n42b3p:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dahua Technologies |
| cpe:2.3:o:dahuasecurity:n52a4p_firmware:*:*:*:*:*:*:*:* | before 2019-12 | Vulnerable | Dahua Technologies |
| cpe:2.3:h:dahuasecurity:n52a4p:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dahua Technologies |
| cpe:2.3:o:dahuasecurity:n54a4p_firmware:*:*:*:*:*:*:*:* | before 2019-12 | Vulnerable | Dahua Technologies |
| cpe:2.3:h:dahua:n54a4p:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dahua |
| cpe:2.3:o:dahuasecurity:n52b2p_firmware:*:*:*:*:*:*:*:* | before 2019-12 | Vulnerable | Dahua Technologies |
| cpe:2.3:h:dahuasecurity:n52b2p:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dahua Technologies |
| cpe:2.3:o:dahuasecurity:n52b5p_firmware:*:*:*:*:*:*:*:* | before 2019-12 | Vulnerable | Dahua Technologies |
| cpe:2.3:h:dahuasecurity:n52b5p:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dahua Technologies |
| cpe:2.3:o:dahuasecurity:n52b3p_firmware:*:*:*:*:*:*:*:* | before 2019-12 | Vulnerable | Dahua Technologies |
| cpe:2.3:h:dahuasecurity:n52b3p:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dahua Technologies |
| cpe:2.3:o:dahuasecurity:n54b2p_firmware:*:*:*:*:*:*:*:* | before 2019-12 | Vulnerable | Dahua Technologies |
| cpe:2.3:h:dahuasecurity:n54b2p:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dahua Technologies |
- cpe:2.3:o:dahuasecurity:sd52c_firmware:*:*:*:*:*:*:*:* Versions before 2019-12 Vulnerable ·Dahua Technologies
- cpe:2.3:h:dahuasecurity:sd52c:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
- cpe:2.3:o:dahuasecurity:ipc-hx5842h_firmware:*:*:*:*:*:*:*:* Versions before 2019-12 Vulnerable ·Dahua Technologies
- cpe:2.3:h:dahuasecurity:ipc-hx5842h:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
- cpe:2.3:o:dahuasecurity:ipc-hx7842h_firmware:*:*:*:*:*:*:*:* Versions before 2019-12 Vulnerable ·Dahua Technologies
- cpe:2.3:h:dahuasecurity:ipc-hx7842h:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
- cpe:2.3:o:dahuasecurity:ipc-hx2xxx_firmware:*:*:*:*:*:*:*:* Versions before 2019-12 Vulnerable ·Dahua Technologies
- cpe:2.3:h:dahuasecurity:ipc-hx2xxx:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
- cpe:2.3:o:dahuasecurity:ipc-hxxx5x4x_firmware:*:*:*:*:*:*:*:* Versions before 2019-12 Vulnerable ·Dahua Technologies
- cpe:2.3:h:dahuasecurity:ipc-hxxx5x4x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
- cpe:2.3:o:dahuasecurity:n42b1p_firmware:*:*:*:*:*:*:*:* Versions before 2019-12 Vulnerable ·Dahua Technologies
- cpe:2.3:h:dahuasecurity:n42b1p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
- cpe:2.3:o:dahuasecurity:n42b2p_firmware:*:*:*:*:*:*:*:* Versions before 2019-12 Vulnerable ·Dahua Technologies
- cpe:2.3:h:dahuasecurity:n42b2p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
- cpe:2.3:o:dahuasecurity:n42b3p_firmware:*:*:*:*:*:*:*:* Versions before 2019-12 Vulnerable ·Dahua Technologies
- cpe:2.3:h:dahuasecurity:n42b3p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
- cpe:2.3:o:dahuasecurity:n52a4p_firmware:*:*:*:*:*:*:*:* Versions before 2019-12 Vulnerable ·Dahua Technologies
- cpe:2.3:h:dahuasecurity:n52a4p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
- cpe:2.3:o:dahuasecurity:n54a4p_firmware:*:*:*:*:*:*:*:* Versions before 2019-12 Vulnerable ·Dahua Technologies
- cpe:2.3:h:dahua:n54a4p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua
- cpe:2.3:o:dahuasecurity:n52b2p_firmware:*:*:*:*:*:*:*:* Versions before 2019-12 Vulnerable ·Dahua Technologies
- cpe:2.3:h:dahuasecurity:n52b2p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
- cpe:2.3:o:dahuasecurity:n52b5p_firmware:*:*:*:*:*:*:*:* Versions before 2019-12 Vulnerable ·Dahua Technologies
- cpe:2.3:h:dahuasecurity:n52b5p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
- cpe:2.3:o:dahuasecurity:n52b3p_firmware:*:*:*:*:*:*:*:* Versions before 2019-12 Vulnerable ·Dahua Technologies
- cpe:2.3:h:dahuasecurity:n52b3p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
- cpe:2.3:o:dahuasecurity:n54b2p_firmware:*:*:*:*:*:*:*:* Versions before 2019-12 Vulnerable ·Dahua Technologies
- cpe:2.3:h:dahuasecurity:n54b2p:-:*:*:*:*:*:*:* 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-2020-9499
- 2026-10-03 Alias added: GHSA-3678-jj2q-4554
References
More Dahua Technologies Ipc-hx2xxx Firmware vulnerabilities
- TI-2021-12647 Improper authentication in Access control vulnerability found in some Dahua products CVSS 3.1CRITICAL 9.8
- TI-2020-07611 Some Dahua products with Build time before December 2019 have Session ID predictable… CVSS 3.1CRITICAL 9.8
- TI-2019-07086 Incorrect default permissions in IPC-HX2XXX Series,IPC-HXXX5X4X… CVSS 3.1HIGH 8.1
- TI-2020-07609 Some products of Dahua have Denial of Service vulnerabilities. CVSS 3.1MEDIUM 4.9
Sources
- CVE-2020-9499 · CVE Program
- CVE-2020-9499 · NVD
- FIRST EPSS
- GHSA-3678-jj2q-4554 · 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