CVE-2020-9499
High
Description
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.
SeverityHigh
CVSS7.2
Exploit probability—
ProductDahuasecurity Sd6al Firmware
PublishedApr 9, 2020
First seenApr 9, 2020
How to fix
Update
- dahuasecurity sd6al_firmware2019-12 or later
- dahuasecurity sd5a_firmware2019-12 or later
- dahuasecurity sd1a_firmware2019-12 or later
- dahuasecurity ptz1a_firmware2019-12 or later
- dahuasecurity sd50_firmware2019-12 or later
- dahuasecurity sd52c_firmware2019-12 or later
- dahuasecurity ipc-hx5842h_firmware2019-12 or later
- dahuasecurity ipc-hx7842h_firmware2019-12 or later
- dahuasecurity ipc-hx2xxx_firmware2019-12 or later
- dahuasecurity ipc-hxxx5x4x_firmware2019-12 or later
- dahuasecurity n42b1p_firmware2019-12 or later
- dahuasecurity n42b2p_firmware2019-12 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| dahuasecurity sd6al_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity sd5a_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity sd1a_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity ptz1a_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity sd50_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity sd52c_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity ipc-hx5842h_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity ipc-hx7842h_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity ipc-hx2xxx_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity ipc-hxxx5x4x_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity n42b1p_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity n42b2p_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity n42b3p_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity n52a4p_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity n54a4p_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity n52b2p_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity n52b5p_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity n52b3p_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity n54b2p_firmware | v < 2019-12 | 2019-12 |
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