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Fencer Vulns
medium 6.5

CVE-2026-4309 json

Missing Authorization vulnerability in NEC Platforms, Ltd.

published 2026-03-27 7 mo ago modified 2026-10-26 13 d ago also EUVD-2026-16583

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.1%
EPSS 0.1% chance of exploitation in 30 days, percentile 3%
public exploits
0
none known

Summary

Missing Authorization vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to get a specific device information and change the settings 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_wx1500hp_firmware 1.4.2

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
7 mo ago

Exploit prediction

0.14% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 6.3 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CNA 4.0 6.3 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/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 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected products

  • NEC Platforms, Ltd. Aterm W1200EX(-MS)
  • NEC Platforms, Ltd. Aterm WG1200HP2
  • NEC Platforms, Ltd. Aterm WG1900HP
  • NEC Platforms, Ltd. Aterm WG1200HS2
  • NEC Platforms, Ltd. Aterm WG1800HP3
  • NEC Platforms, Ltd. Aterm WG1200HP3
  • NEC Platforms, Ltd. Aterm WG1900HP2
  • NEC Platforms, Ltd. Aterm WG1200HS3
  • NEC Platforms, Ltd. Aterm WG1800HP4
  • NEC Platforms, Ltd. Aterm WG1200HP4
  • NEC Platforms, Ltd. Aterm WG1200HS4
  • NEC Platforms, Ltd. Aterm WX1500HP
  • 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 WX3600HP
  • NEC Platforms, Ltd. Aterm GX1200HP
  • NEC Platforms, Ltd. Aterm GX1200HS4
  • NEC Platforms, Ltd. Aterm WG1200DM4
  • NEC Platforms, Ltd. Aterm GB1200PE

Classification

Weakness

References

Sources

Fencer Vulns 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.