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 | 2026-03-30 13:26:29 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: 0.000410000 probability, percentile 0.124380000 (date 2026-04-01)
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 |
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
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 |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| jpn.nec.com/security-info/secinfo/nv26-001_en.html | [email protected] | jpn.nec.com | |
| 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.