CVE-2026-4309Missing Authorization vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to get a specific device information and change…
- 6.3MediumCVSS base score
- 0.15%Exploitation in 30 daysEPSS · top 96% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By NEC
- 10 days later
· 10 days later
Published
- 14 days later
· 14 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NECCNA (assigner) | 4.0 | Medium6.3 | 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 |
| NVDNVD · Analyzed | 4.0 | Medium6.3 | 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 |
- EPSS (exploitation in 30 days)
- 0.15% · top 96% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.3.
Affected products
NEC Platforms, Ltd. · Aterm W1200EX(-MS)
- affected All versions
NEC Platforms, Ltd. · Aterm WG1200HP2
- affected All versions
NEC Platforms, Ltd. · Aterm WG1900HP
- affected All versions
NEC Platforms, Ltd. · Aterm WG1200HS2
- affected All versions
NEC Platforms, Ltd. · Aterm WG1800HP3
- affected All versions
NEC Platforms, Ltd. · Aterm WG1200HP3
- affected All versions
NEC Platforms, Ltd. · Aterm WG1900HP2
- affected All versions
NEC Platforms, Ltd. · Aterm WG1200HS3
- affected All versions
NEC Platforms, Ltd. · Aterm WG1800HP4
- affected All versions
NEC Platforms, Ltd. · Aterm WG1200HP4
- affected All versions
NEC Platforms, Ltd. · Aterm WG1200HS4
- affected All versions
NEC Platforms, Ltd. · Aterm WX1500HP
- affected Before Ver. 1.4.2
NEC Platforms, Ltd. · Aterm WG2600HS
- affected Before Ver. 1.7.2
NEC Platforms, Ltd. · Aterm WF1200CR
- affected Before Ver. 1.6.0
NEC Platforms, Ltd. · Aterm WG1200CR
- affected Before Ver. 1.5.0
NEC Platforms, Ltd. · Aterm WG2600HP4
- affected Before Ver. 1.4.2
NEC Platforms, Ltd. · Aterm WG2600HM4
- affected Before Ver. 1.4.2
NEC Platforms, Ltd. · Aterm WG2600HS2
- affected Before Ver. 1.3.2
NEC Platforms, Ltd. · Aterm WX3000HP
- affected Before Ver. 2.5.0
NEC Platforms, Ltd. · Aterm WX3600HP
- affected Before Ver. 1.5.3
NEC Platforms, Ltd. · Aterm GX1200HP
- affected All versions
NEC Platforms, Ltd. · Aterm GX1200HS4
- affected All versions
NEC Platforms, Ltd. · Aterm WG1200DM4
- affected All versions
NEC Platforms, Ltd. · Aterm GB1200PE
- affected Before Ver. 1.3.1
References
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-16583 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-4309)Record last updated .