Summaryinfo

A vulnerability identified as critical has been detected in NEC Platforms Aterm WG2600HS, Aterm WF1200CR, Aterm WG1200CR, Aterm WG2600HP4, Aterm WG2600HM4, Aterm WG2600HS2, Aterm WX3000HP and Aterm WX3000HP2. This vulnerability affects unknown code. The manipulation leads to os command injection. This vulnerability is listed as CVE-2026-4622. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, has been found in NEC Platforms Aterm WG2600HS, Aterm WF1200CR, Aterm WG1200CR, Aterm WG2600HP4, Aterm WG2600HM4, Aterm WG2600HS2, Aterm WX3000HP and Aterm WX3000HP2. This issue affects some unknown functionality. The manipulation with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

OS Command Injection vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to execute arbitrary OS commands via network.

The advisory is shared at jpn.nec.com. The identification of this vulnerability is CVE-2026-4622 since 03/23/2026. The exploitation is known to be difficult. The attack may be initiated remotely. Additional levels of successful authentication are necessary for exploitation. 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 03/27/2026). 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.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-16591). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• NEC Platforms

Name

• Aterm WF1200CR
• Aterm WG1200CR
• Aterm WG2600HM4
• Aterm WG2600HP4
• Aterm WG2600HS
• Aterm WG2600HS2
• Aterm WX3000HP
• Aterm WX3000HP2

License

• commercial

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