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Fencer Intel
critical 9.8

CVE-2026-4622 json

OS Command Injection vulnerability in NEC Platforms, Ltd.

published 7mo ago modified 14d ago also EUVD-2026-16591

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
0
none known

Summary

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

Patch / fix

  • nec aterm_wg2600hs_firmware 1.7.2
  • nec aterm_wf1200cr_firmware 1.6.0
  • nec aterm_wg1200cr_firmware 1.5.0
  • nec aterm_wg2600hp4_firmware 1.4.2
  • nec aterm_wg2600hm4_firmware 1.4.2
  • nec aterm_wg2600hs2_firmware 1.3.2
  • nec aterm_wx3000hp_firmware 2.5.0
  • nec aterm_wx3000hp2_firmware 1.3.2
  • nec aterm_gb1200pe_firmware 1.3.1

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
7mo ago

Exploit prediction

0.88% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 4.0 7.1 CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CNA 4.0 7.1 CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • NEC Platforms, Ltd. Aterm WG2600HS
  • NEC Platforms, Ltd. Aterm WF1200CR
  • NEC Platforms, Ltd. Aterm WG1200CR
  • NEC Platforms, Ltd. Aterm WG2600HP4
  • NEC Platforms, Ltd. Aterm WG2600HM4
  • NEC Platforms, Ltd. Aterm WG2600HS2
  • NEC Platforms, Ltd. Aterm WX3000HP
  • NEC Platforms, Ltd. Aterm WX3000HP2
  • NEC Platforms, Ltd. Aterm GB1200PE

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.