CVE-2026-4309

Home/CVE/Missing Authorization vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to get a specific device infor

CVE

Missing Authorization vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to get a specific device infor

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

MEDIUM · CVSS 6.5 EPSS 0.00042

Monitor

No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

Sigma rules0 YARA rules0

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Weakness Classification

CWE-862Missing Authorization

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Affected Products & Versions

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 wx3600hp firmware<= 1.5.3
Show all 20 affected productsnec aterm w1200ex-ms firmwareall versions
nec aterm wg1200hp2 firmwareall versions
nec aterm wg1900hp firmwareall versions
nec aterm wg1200hs2 firmwareall versions
nec aterm wg1800hp3 firmwareall versions
nec aterm wg1200hp3 firmwareall versions
nec aterm wg1900hp2 firmwareall versions
nec aterm wg1200hs3 firmwareall versions
nec aterm wg1800hp4 firmwareall versions
nec aterm wg1200hp4 firmwareall versions
nec aterm wg1200hs4 firmwareall versions
nec aterm wx1500hp firmware< 1.4.2

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Scoring & Timeline

6.5

MEDIUM · CVSS v3.1 · psirt-info@cyber.jp.nec.com

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD27 Mar 2026 · 12:16 PM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

SSVC triage · cisa-vulnrichment

Exploitation

none

Automatable

Technical impact

partial

SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

https://jpn.nec.com/security-info/secinfo/nv26-001_en.htmlVendor Advisory

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