CVE-2026-46216.3MediumCWE-912

CVE-2026-4621: NEC Platforms, Ltd. Aterm W1200EX(-MS) vulnerability

NEC Platforms, Ltd. · Aterm W1200EX(-MS)

Affected: NEC Platforms, Ltd. Aterm W1200EX(-MS) · Exploitation: unlikely (under 1%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

0.2%probability of exploitation in the next 30 days

6th percentile

050100

Higher than 6% of scored CVEs

6.3MediumCVSS 4.0

LowMediumHighCrit.

DescriptionCVE.org

Hidden Functionality vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to enable telnet via network.

Affected products20

From the CVE record. A product or version that is not listed is unknown, not unaffected.

NEC Platforms, Ltd. · Aterm W1200EX(-MS)All versions
NEC Platforms, Ltd. · Aterm WG1200HP2All versions
NEC Platforms, Ltd. · Aterm WG1900HPAll versions
NEC Platforms, Ltd. · Aterm WG1200HS2All versions
NEC Platforms, Ltd. · Aterm WG1800HP3All versions
NEC Platforms, Ltd. · Aterm WG1200HP3All versions
NEC Platforms, Ltd. · Aterm WG1900HP2All versions
NEC Platforms, Ltd. · Aterm WG1200HS3All versions
NEC Platforms, Ltd. · Aterm WG1800HP4All versions
NEC Platforms, Ltd. · Aterm WG1200HP4All versions
NEC Platforms, Ltd. · Aterm WG1200HS4All versions
NEC Platforms, Ltd. · Aterm WX1500HPBefore Ver. 1.4.2
NEC Platforms, Ltd. · Aterm WG2600HSBefore Ver. 1.7.2
NEC Platforms, Ltd. · Aterm WF1200CRBefore Ver. 1.6.0
NEC Platforms, Ltd. · Aterm WG1200CRBefore Ver. 1.5.0
NEC Platforms, Ltd. · Aterm WG2600HP4Before Ver. 1.4.2
NEC Platforms, Ltd. · Aterm WG2600HM4Before Ver. 1.4.2
NEC Platforms, Ltd. · Aterm WG2600HS2Before Ver. 1.3.2
NEC Platforms, Ltd. · Aterm WX3000HPBefore Ver. 2.5.0
NEC Platforms, Ltd. · Aterm WX3000HP2Before Ver. 1.3.2

On the Atlas

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Exploitation: Unlikely (under 1%). EPSS under 1%, or no score yet.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: Hidden Functionality · Supply Chain and Malicious Code
Vendor: NEC Platforms, Ltd.
Published: March 2026
Band: Unlikely (under 1%), March 2026

CoverageNo articles yet

No CyberSIXT article names CVE-2026-4621 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.