CVE-2026-82357
Medium
Description
RT-Labs AB C-Open CANopen contains a NULL pointer dereference if the LSS protocol is used to configure the device. An object defined by the user application may not have all required subindexes for object 0x1018. An unauthenticated, remote attacker with access to the CAN bus, through a compromised node for instance, can initiate the LSS protocol on a device with a misconfigured identity object and potentially crash the device. Fixed in 1.1.1.
SeverityMedium
CVSS6.5
Exploit probability—
ProductC-Open
PublishedOct 1, 2026
First seenOct 1, 2026
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- RT-Labs AB C-Open1.1.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| RT-Labs AB C-Open | v < 1.1.1 | 1.1.1 |
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