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CERT-FR published two advisories covering vulnerabilities in Moxa products, warning that the flaws could let attackers escalate privileges and undermine core security controls. One notice said successful exploitation could also affect data confidentiality and data integrity, raising concern for industrial and networked environments where Moxa equipment is commonly deployed.
A separate CERT-FR notice reported another Moxa vulnerability that could allow an attacker to bypass the security policy. The advisories did not provide further technical details in the referenced content, including affected models, CVE identifiers, or specific remediation steps, leaving organizations to monitor vendor and national CERT guidance closely for product impact and patch information.
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CERT-FR published a new advisory covering multiple vulnerabilities in Moxa products. The notice said the flaws could allow a remote attacker to cause denial of service, compromise data confidentiality, and bypass security policy controls.
CERT-FR published a separate advisory about another vulnerability in Moxa products that could allow an attacker to bypass the security policy. The available content did not include affected models, a CVE, or remediation details.
CERT-FR published an advisory about a vulnerability in Moxa products that could allow privilege escalation and affect data confidentiality and integrity.
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Moxa issued security advisories for multiple industrial and embedded product families, including the **UC Series**, **V Series**, **VM-1220 Series**, **ioThinx 4530 Series**, **AIG Series**, **BXP Series**, **DRP-A100/DRP-C100 Series**, and **RKP Series**. A Canadian Centre for Cyber Security notice highlighted the disclosures and directed operators to review Moxa’s published advisories and apply vendor-provided updates. The advisories include **`CVE-2026-46333`**, identified as the **"ssh-keysign-pwn"** vulnerability in the Linux kernel. The issue affects control-system environments using impacted Moxa platforms, raising patching and asset-review priorities for organizations that rely on these devices in operational technology and embedded deployments.
Jul 24, 2026
Moxa disclosed and patched **CVE-2024-12297**, a critical authorization flaw in multiple industrial Ethernet switch lines that can let a remote, unauthenticated attacker bypass authentication and access device functions. The vulnerability stems from weaknesses in frontend authorization logic and client-side versus back-end verification, allowing brute-force credential guessing and potential **MD5 collision** attacks to forge authentication hashes. Moxa rated the issue **CVSS 9.2** and said exploitation could expose sensitive configurations or disrupt services on affected switches. The flaw initially affected the **EDS-508A Series** on firmware `3.11` and earlier, and advisories later expanded coverage to additional **EDS**, **SDS**, and **PT series** models, including PT-508, PT-510, PT-7528, PT-7728, PT-7828, PT-G503, PT-G510, PT-G7728, and PT-G7828 below specified fixed versions. Moxa issued firmware updates for most impacted products and told some EDS-508A customers to obtain patches through technical support. The company also urged operators to minimize Internet exposure, restrict SSH and management access to trusted networks, apply least privilege and MFA where possible, and strengthen logging, IDS/IPS, and network monitoring around affected operational technology environments.
Jul 24, 2026
Moxa issued advisory **MPSA-263140** for multiple industrial and embedded computing product lines affected by three Linux kernel vulnerabilities: **CVE-2026-31431** ("**Copy Fail**") and **CVE-2026-43284** plus **CVE-2026-43500** ("**Dirty Frag**"). The company said the flaws could allow unprivileged local users to gain administrative or root access on affected devices, with added risk of container escape and host compromise in environments running untrusted workloads. Canada’s Cyber Centre separately alerted operators to review Moxa’s guidance for impacted **UC, V, VM, ioThinx, AIG, BXP, DRP, and RKP** series products. Because permanent fixes were not yet broadly available for all affected Moxa platforms, the vendor urged immediate mitigations such as blacklisting or unloading vulnerable kernel modules including `rxrpc`, `esp4`, and `esp6`, while warning that disabling `esp4` and `esp6` can break **IPsec/VPN** connectivity and some devices require bootloader changes because `algif_aead` is built into the kernel. For CTOS-based Debian systems, Moxa advised updating from Debian security repositories, reinstalling the x86 SDK, and rebooting. The advisory follows wider industry response to the same kernel bugs: **CVE-2026-31431** was added to CISA’s **Known Exploited Vulnerabilities** catalog, Ubuntu released mitigations that disable the vulnerable module, and Red Hat published OpenShift guidance for Dirty Frag-related exposure.
Jun 29, 2026