Moxa TN-4900 up to 3.14 Network Service os command injection

Summaryinfo

A vulnerability, which was classified as critical, has been found in Moxa EDF-G1002-BP, EDR-810, EDR-8010, EDR-G9004, EDR-G9010, OnCell G4302-LTE4 and TN-4900 up to 3.14. Impacted is an unknown function of the component Network Service Handler. This manipulation causes os command injection. The identification of this vulnerability is CVE-2025-0676. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in Moxa EDF-G1002-BP, EDR-810, EDR-8010, EDR-G9004, EDR-G9010, OnCell G4302-LTE4 and TN-4900 up to 3.14 and classified as critical. Affected by this vulnerability is an unknown functionality of the component Network Service Handler. The manipulation with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

This vulnerability involves command injection in tcpdump within Moxa products, enabling an authenticated attacker with console access to exploit improper input validation to inject and execute systems commands. Successful exploitation could result in privilege escalation, allowing the attacker to gain root shell access and maintain persistent control over the device, potentially disrupting network services and affecting the availability of downstream systems that rely on its connectivity.

The weakness was shared by Rex Weng. The advisory is shared at moxa.com. This vulnerability is known as CVE-2025-0676 since 01/23/2025. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/02/2025). MITRE ATT&CK project uses the attack technique T1202 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Automation Software

Vendor

• Moxa

Name

• EDF-G1002-BP
• EDR-810
• EDR-8010
• EDR-G9004
• EDR-G9010
• OnCell G4302-LTE4
• TN-4900

Version

• 3.0
• 3.1
• 3.2
• 3.3
• 3.4
• 3.5
• 3.6
• 3.7
• 3.8
• 3.9
• 3.10
• 3.11
• 3.12
• 3.13
• 3.14

License

• commercial

Website

• Vendor: https://www.moxa.com/

CPE 2.3info

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CPE 2.2info

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