Description
A serial interface can be accessed with physical access to the PCB of Wattsense Bridge devices. After connecting to the interface, access to the bootloader is possible, as well as a Linux login prompt. The bootloader access can be used to gain a root shell on the device. This issue is fixed in recent firmware versions BSP >= 6.4.1.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Wattsense | Wattsense Bridge | < 6.4.1 | 6.4.1 |
References
- https://r.sec-consult.com/wattsense third-party-advisory
- https://support.wattsense.com/hc/en-150/articles/13366066529437-Release-Notes release-notes