Vulnerabilities

Vulnerability · CVE-2026-4622

OS Command Injection vulnerability in NEC Platforms, Ltd.

Published Mar 27, 2026 · catalog updated Jun 17, 2026 · aterm wg2600hs firmware

Check if you run it

No confirmed exploitation is on record for CVE-2026-4622. EPSS is 1.22%. Act only if a listed version of aterm wg2600hs firmware is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.22%
Remediation
Advisory link
Affected products
cpe nec/aterm gb1200pe firmware · cpe nec/aterm wf1200cr firmware · cpe nec/aterm wg1200cr firmware · cpe nec/aterm wg2600hm4 firmware · cpe nec/aterm wg2600hp4 firmware · cpe nec/aterm wg2600hs firmware

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

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe nec/aterm gb1200pe firmwareversion unspecified
  • cpe nec/aterm wf1200cr firmwareversion unspecified
  • cpe nec/aterm wg1200cr firmwareversion unspecified
  • cpe nec/aterm wg2600hm4 firmwareversion unspecified
  • cpe nec/aterm wg2600hp4 firmwareversion unspecified
  • cpe nec/aterm wg2600hs firmwareversion unspecified
  • cpe nec/aterm wg2600hs2 firmwareversion unspecified
  • cpe nec/aterm wx3000hp firmwareversion unspecified
  • cpe nec/aterm wx3000hp2 firmwareversion unspecified

How to fix CVE-2026-4622

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-4622. EPSS is 1.22%. Act only if a listed version of aterm wg2600hs firmware is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-78: OS Command Injection. EPSS 1.22%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 27, 2026 · NIST NVD

    Detected

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

  2. Jun 17, 2026 · NIST NVD

    Updated

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

Sources

  • CVE.orgVulnerability recordCVE-2026-4622

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-4622

    30-day exploitation probability 1.2%

    first.org
  • NIST NVDVulnerability recordCVE-2026-4622

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

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.