Moxa Issues Security Advisory for Linux Kernel Vulnerability Affecting Multiple Product Lines

Moxa has published security advisories addressing a Linux kernel vulnerability (CVE-2026-46333) across several industrial product series. The Canadian Cyber Centre recommends users review and apply updates.

This article was drafted with AI assistance from multiple sources and was reviewed and approved by a human editor before publication.

Moxa has published security advisories on July 24, 2026, detailing a vulnerability affecting multiple industrial product lines. The flaw, tracked as CVE-2026-46333, is described as an ssh-keysign-pwn issue in the Linux kernel.

The advisories cover a wide range of devices, including the UC Series, V Series, VM-1220 Series, ioThinx 4530 Series, AIG Series, BXP Series, DRP-A100 Series, DRP-C100 Series, and RKP Series. Specific affected versions include the VM-1220 Series up to MIL3 v1.1.0, the ioThinx 4530 Series up to MIL3 v2.1, and the DRP-A100/DRP-C100 Series on Debian 11 V1.0, among others.

The Canadian Centre for Cyber Security has reviewed the advisories and encourages users to examine them and apply the necessary updates to mitigate risks.