CVE-2026-4309
Summary
| CVE | CVE-2026-4309 |
|---|---|
| State | PUBLISHED |
| Assigner | NEC |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-03-27 12:16:20 UTC |
| Updated | 2026-04-20 15:15:13 UTC |
| Description | Missing Authorization vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to get a specific device information and change the settings via network. |
Risk And Classification
Primary CVSS: v4.0 6.3 MEDIUM from [email protected]
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
EPSS: 0.000370000 probability, percentile 0.110330000 (date 2026-04-21)
Problem Types: CWE-862 | CWE-862 CWE-862: Missing Authorization
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 6.3 | MEDIUM | 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/C... |
| 4.0 | CNA | CVSS | 6.3 | MEDIUM | 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 |
| 3.1 | [email protected] | Primary | 6.5 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
CVSS v4.0 Breakdown
Attack Vector
NetworkAttack Complexity
HighAttack Requirements
NonePrivileges Required
NoneUser Interaction
NoneConfidentiality
LowIntegrity
LowAvailability
LowSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS: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
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
LowIntegrity
LowAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Nec | Aterm W1200ex-ms | - | All | All | All |
| Operating System | Nec | Aterm W1200ex-ms Firmware | All | All | All | All |
| Hardware | Nec | Aterm Wf1200cr | - | All | All | All |
| Operating System | Nec | Aterm Wf1200cr Firmware | All | All | All | All |
| Hardware | Nec | Aterm Wg1200cr | - | All | All | All |
| Operating System | Nec | Aterm Wg1200cr Firmware | All | All | All | All |
| Hardware | Nec | Aterm Wg1200hp2 | - | All | All | All |
| Operating System | Nec | Aterm Wg1200hp2 Firmware | All | All | All | All |
| Hardware | Nec | Aterm Wg1200hp3 | - | All | All | All |
| Operating System | Nec | Aterm Wg1200hp3 Firmware | All | All | All | All |
| Hardware | Nec | Aterm Wg1200hp4 | - | All | All | All |
| Operating System | Nec | Aterm Wg1200hp4 Firmware | All | All | All | All |
| Hardware | Nec | Aterm Wg1200hs2 | - | All | All | All |
| Operating System | Nec | Aterm Wg1200hs2 Firmware | All | All | All | All |
| Hardware | Nec | Aterm Wg1200hs3 | - | All | All | All |
| Operating System | Nec | Aterm Wg1200hs3 Firmware | All | All | All | All |
| Hardware | Nec | Aterm Wg1200hs4 | - | All | All | All |
| Operating System | Nec | Aterm Wg1200hs4 Firmware | All | All | All | All |
| Hardware | Nec | Aterm Wg1800hp3 | - | All | All | All |
| Operating System | Nec | Aterm Wg1800hp3 Firmware | All | All | All | All |
| Hardware | Nec | Aterm Wg1800hp4 | - | All | All | All |
| Operating System | Nec | Aterm Wg1800hp4 Firmware | All | All | All | All |
| Hardware | Nec | Aterm Wg1900hp | - | All | All | All |
| Hardware | Nec | Aterm Wg1900hp2 | - | All | All | All |
| Operating System | Nec | Aterm Wg1900hp2 Firmware | All | All | All | All |
| Operating System | Nec | Aterm Wg1900hp Firmware | All | All | All | All |
| Hardware | Nec | Aterm Wg2600hm4 | - | All | All | All |
| Operating System | Nec | Aterm Wg2600hm4 Firmware | All | All | All | All |
| Hardware | Nec | Aterm Wg2600hp4 | - | All | All | All |
| Operating System | Nec | Aterm Wg2600hp4 Firmware | All | All | All | All |
| Hardware | Nec | Aterm Wg2600hs | - | All | All | All |
| Hardware | Nec | Aterm Wg2600hs2 | - | All | All | All |
| Operating System | Nec | Aterm Wg2600hs2 Firmware | All | All | All | All |
| Operating System | Nec | Aterm Wg2600hs Firmware | All | All | All | All |
| Hardware | Nec | Aterm Wx1500hp | - | All | All | All |
| Operating System | Nec | Aterm Wx1500hp Firmware | All | All | All | All |
| Hardware | Nec | Aterm Wx3000hp | - | All | All | All |
| Operating System | Nec | Aterm Wx3000hp Firmware | All | All | All | All |
| Hardware | Nec | Aterm Wx3600hp | - | All | All | All |
| Operating System | Nec | Aterm Wx3600hp Firmware | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | NEC Platforms Ltd. | Aterm W1200EX-MS | affected All versions | Not specified |
| CNA | NEC Platforms Ltd. | Aterm WG1200HP2 | affected All versions | Not specified |
| CNA | NEC Platforms Ltd. | Aterm WG1900HP | affected All versions | Not specified |
| CNA | NEC Platforms Ltd. | Aterm WG1200HS2 | affected All versions | Not specified |
| CNA | NEC Platforms Ltd. | Aterm WG1800HP3 | affected All versions | Not specified |
| CNA | NEC Platforms Ltd. | Aterm WG1200HP3 | affected All versions | Not specified |
| CNA | NEC Platforms Ltd. | Aterm WG1900HP2 | affected All versions | Not specified |
| CNA | NEC Platforms Ltd. | Aterm WG1200HS3 | affected All versions | Not specified |
| CNA | NEC Platforms Ltd. | Aterm WG1800HP4 | affected All versions | Not specified |
| CNA | NEC Platforms Ltd. | Aterm WG1200HP4 | affected All versions | Not specified |
| CNA | NEC Platforms Ltd. | Aterm WG1200HS4 | affected All versions | Not specified |
| CNA | NEC Platforms Ltd. | Aterm WX1500HP | affected Before Ver. 1.4.2 | Not specified |
| CNA | NEC Platforms Ltd. | Aterm WG2600HS | affected Before Ver. 1.7.2 | Not specified |
| CNA | NEC Platforms Ltd. | Aterm WF1200CR | affected Before Ver. 1.6.0 | Not specified |
| CNA | NEC Platforms Ltd. | Aterm WG1200CR | affected Before Ver. 1.5.0 | Not specified |
| CNA | NEC Platforms Ltd. | Aterm WG2600HP4 | affected Before Ver. 1.4.2 | Not specified |
| CNA | NEC Platforms Ltd. | Aterm WG2600HM4 | affected Before Ver. 1.4.2 | Not specified |
| CNA | NEC Platforms Ltd. | Aterm WG2600HS2 | affected Before Ver. 1.3.2 | Not specified |
| CNA | NEC Platforms Ltd. | Aterm WX3000HP | affected Before Ver. 2.5.0 | Not specified |
| CNA | NEC Platforms Ltd. | Aterm WX3600HP | affected Before Ver. 1.5.3 | Not specified |
| CNA | NEC Platforms Ltd. | Aterm GX1200HP | affected All versions | Not specified |
| CNA | NEC Platforms Ltd. | Aterm GX1200HS4 | affected All versions | Not specified |
| CNA | NEC Platforms Ltd. | Aterm WG1200DM4 | affected All versions | Not specified |
| CNA | NEC Platforms Ltd. | Aterm GB1200PE | affected Before Ver. 1.3.1 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| jpn.nec.com/security-info/secinfo/nv26-001_en.html | [email protected] | jpn.nec.com | Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Taizoh Tsukamoto of Mitsui Bussan Secure Directions, Inc. (en)
There are currently no legacy QID mappings associated with this CVE.