Medium 6.3Published Mar 27, 2026

CVE-2026-4621Hidden Functionality vulnerability in NEC Platforms, Ltd.

Updated under an hour ago (Oct 27, 2026, 9:23 PM ET)

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It affects NEC Platforms, Ltd. Aterm W1200EX(-MS) and 45 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for NEC Platforms, Ltd. Aterm W1200EX(-MS)

Exploited in the last 30 days

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

CVSS: 6.3 MEDIUM (v4.0, CNA)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
Weakness (CWE): CWE-912
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: NEC
NVD analysis: Analyzed
Record last updated: Apr 10, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

NEC Platforms, Ltd. Aterm W1200EX(-MS) nec_platforms:aterm_w1200ex_ms (from the name)	all versions	CNA record
NEC Platforms, Ltd. Aterm WG1200HP2 nec_platforms:aterm_wg1200hp2 (from the name)	all versions	CNA record
NEC Platforms, Ltd. Aterm WG1900HP nec_platforms:aterm_wg1900hp (from the name)	all versions	CNA record
NEC Platforms, Ltd. Aterm WG1200HS2 nec_platforms:aterm_wg1200hs2 (from the name)	all versions	CNA record
NEC Platforms, Ltd. Aterm WG1800HP3 nec_platforms:aterm_wg1800hp3 (from the name)	all versions	CNA record
NEC Platforms, Ltd. Aterm WG1200HP3 nec_platforms:aterm_wg1200hp3 (from the name)	all versions	CNA record
NEC Platforms, Ltd. Aterm WG1900HP2 nec_platforms:aterm_wg1900hp2 (from the name)	all versions	CNA record
NEC Platforms, Ltd. Aterm WG1200HS3 nec_platforms:aterm_wg1200hs3 (from the name)	all versions	CNA record
NEC Platforms, Ltd. Aterm WG1800HP4 nec_platforms:aterm_wg1800hp4 (from the name)	all versions	CNA record
NEC Platforms, Ltd. Aterm WG1200HP4 nec_platforms:aterm_wg1200hp4 (from the name)	all versions	CNA record
1–10 of 46

References

References

https://jpn.nec.com/security-info/secinfo/nv26-001_en.html	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.