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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.
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3 events from the most recent confirmed update back to the earliest known activity.
Moxa released fixes for CVE-2024-12297 affecting PT series industrial switches and EDS-508A series switches, and advised customers to install patches through its technical support channel. The updates addressed a critical remotely exploitable authorization flaw with a CVSS 9.2 score.
Moxa updated advisory MPSA-241407 to add multiple additional EDS and SDS series products and corresponding remediation guidance beyond the originally listed EDS-508A Series. The revision history states the update expanded affected products and solutions.
Moxa initially released security advisory MPSA-241407 for CVE-2024-12297, describing an authentication bypass vulnerability in EDS-508A Series switches that could enable brute-force credential guessing or MD5 collision attacks leading to unauthorized access or service disruption.
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Moxa issued guidance for a **critical remote code execution (RCE)** risk affecting multiple *industrial Ethernet switch* lines due to **CVE-2023-38408** in the OpenSSH `ssh-agent` PKCS#11 feature (OpenSSH versions prior to `9.3p2`). The flaw is described as an **unreliable/unquoted search path** issue (CWE-428) and is characterized as an incomplete fix related to **CVE-2016-10009**; exploitation can lead to full device compromise impacting confidentiality, integrity, and availability, with a reported **CVSS 3.1 score of 9.8**. Impacted products include Moxa **EDS** series switches (e.g., `EDS-G4000`, `EDS-4008/4009/4012/4014`, `EDS-G4008/G4012/G4014`) running **firmware `v4.1` or earlier**, and **RKS** series switches (e.g., `RKS-G4000`, `RKS-G4028`, `RKS-G4028-L3`) running **firmware `v5.0` or earlier**. Moxa’s remediation requires obtaining patches via **Moxa Technical Support** rather than public download; the cited target versions are **`4.1.58`** for EDS and **`5.0.4`** for RKS. Until updates can be applied, recommended mitigations include restricting network access (e.g., firewalls/ACLs) and segmenting OT networks (e.g., VLAN separation) to limit exposure.
Jun 29, 2026
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.
Jun 29, 2026
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