CVE-2026-4621

CVE.org · Published

Historical CVEs JSON AI instructions

Record status: Published
Identifier year (not publication year): 2026
Source publication: Mar 27, 2026
Source updated: Apr 10, 2026
Imported by cveboard: Oct 24, 2026
Source snapshot: cve_2026-10-24_midnight_baseline · Oct 24, 2026

Plain text

CNA source text (English)

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

Scoped product and version facts

Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.

Exploitation unknown; this catalogue does not assess exploitation.

Aterm W1200EX(-MS)

Vendor: NEC Platforms, Ltd.
Product: Aterm W1200EX(-MS)
Platforms: Unknown
Default status: unknown

Aterm W1200EX(-MS) · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
All versions	`affected`	Unavailable	Unavailable	Unavailable	None listed

Aterm WG1200HP2

Vendor: NEC Platforms, Ltd.
Product: Aterm WG1200HP2
Platforms: Unknown
Default status: unknown

Aterm WG1200HP2 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
All versions	`affected`	Unavailable	Unavailable	Unavailable	None listed

Aterm WG1900HP

Vendor: NEC Platforms, Ltd.
Product: Aterm WG1900HP
Platforms: Unknown
Default status: unknown

Aterm WG1900HP · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
All versions	`affected`	Unavailable	Unavailable	Unavailable	None listed

Aterm WG1200HS2

Vendor: NEC Platforms, Ltd.
Product: Aterm WG1200HS2
Platforms: Unknown
Default status: unknown

Aterm WG1200HS2 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
All versions	`affected`	Unavailable	Unavailable	Unavailable	None listed

Aterm WG1800HP3

Vendor: NEC Platforms, Ltd.
Product: Aterm WG1800HP3
Platforms: Unknown
Default status: unknown

Aterm WG1800HP3 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
All versions	`affected`	Unavailable	Unavailable	Unavailable	None listed

Aterm WG1200HP3

Vendor: NEC Platforms, Ltd.
Product: Aterm WG1200HP3
Platforms: Unknown
Default status: unknown

Aterm WG1200HP3 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
All versions	`affected`	Unavailable	Unavailable	Unavailable	None listed

Aterm WG1900HP2

Vendor: NEC Platforms, Ltd.
Product: Aterm WG1900HP2
Platforms: Unknown
Default status: unknown

Aterm WG1900HP2 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
All versions	`affected`	Unavailable	Unavailable	Unavailable	None listed

Aterm WG1200HS3

Vendor: NEC Platforms, Ltd.
Product: Aterm WG1200HS3
Platforms: Unknown
Default status: unknown

Aterm WG1200HS3 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
All versions	`affected`	Unavailable	Unavailable	Unavailable	None listed

Aterm WG1800HP4

Vendor: NEC Platforms, Ltd.
Product: Aterm WG1800HP4
Platforms: Unknown
Default status: unknown

Aterm WG1800HP4 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
All versions	`affected`	Unavailable	Unavailable	Unavailable	None listed

Aterm WG1200HP4

Vendor: NEC Platforms, Ltd.
Product: Aterm WG1200HP4
Platforms: Unknown
Default status: unknown

Aterm WG1200HP4 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
All versions	`affected`	Unavailable	Unavailable	Unavailable	None listed

Aterm WG1200HS4

Vendor: NEC Platforms, Ltd.
Product: Aterm WG1200HS4
Platforms: Unknown
Default status: unknown

Aterm WG1200HS4 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
All versions	`affected`	Unavailable	Unavailable	Unavailable	None listed

Aterm WX1500HP

Vendor: NEC Platforms, Ltd.
Product: Aterm WX1500HP
Platforms: Unknown
Default status: unknown

Aterm WX1500HP · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
Before Ver. 1.4.2	`affected`	Unavailable	Unavailable	Unavailable	None listed

Aterm WG2600HS

Vendor: NEC Platforms, Ltd.
Product: Aterm WG2600HS
Platforms: Unknown
Default status: unknown

Aterm WG2600HS · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
Before Ver. 1.7.2	`affected`	Unavailable	Unavailable	Unavailable	None listed

Aterm WF1200CR

Vendor: NEC Platforms, Ltd.
Product: Aterm WF1200CR
Platforms: Unknown
Default status: unknown

Aterm WF1200CR · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
Before Ver. 1.6.0	`affected`	Unavailable	Unavailable	Unavailable	None listed

Aterm WG1200CR

Vendor: NEC Platforms, Ltd.
Product: Aterm WG1200CR
Platforms: Unknown
Default status: unknown

Aterm WG1200CR · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
Before Ver. 1.5.0	`affected`	Unavailable	Unavailable	Unavailable	None listed

Aterm WG2600HP4

Vendor: NEC Platforms, Ltd.
Product: Aterm WG2600HP4
Platforms: Unknown
Default status: unknown

Aterm WG2600HP4 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
Before Ver. 1.4.2	`affected`	Unavailable	Unavailable	Unavailable	None listed

Aterm WG2600HM4

Vendor: NEC Platforms, Ltd.
Product: Aterm WG2600HM4
Platforms: Unknown
Default status: unknown

Aterm WG2600HM4 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
Before Ver. 1.4.2	`affected`	Unavailable	Unavailable	Unavailable	None listed

Aterm WG2600HS2

Vendor: NEC Platforms, Ltd.
Product: Aterm WG2600HS2
Platforms: Unknown
Default status: unknown

Aterm WG2600HS2 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
Before Ver. 1.3.2	`affected`	Unavailable	Unavailable	Unavailable	None listed

Aterm WX3000HP

Vendor: NEC Platforms, Ltd.
Product: Aterm WX3000HP
Platforms: Unknown
Default status: unknown

Aterm WX3000HP · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
Before Ver. 2.5.0	`affected`	Unavailable	Unavailable	Unavailable	None listed

Aterm WX3000HP2

Vendor: NEC Platforms, Ltd.
Product: Aterm WX3000HP2
Platforms: Unknown
Default status: unknown

Aterm WX3000HP2 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
Before Ver. 1.3.2	`affected`	Unavailable	Unavailable	Unavailable	None listed

Aterm WX3600HP

Vendor: NEC Platforms, Ltd.
Product: Aterm WX3600HP
Platforms: Unknown
Default status: unknown

Aterm WX3600HP · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
Before Ver. 1.4.2	`affected`	Unavailable	Unavailable	Unavailable	None listed

Aterm GX1200HP

Vendor: NEC Platforms, Ltd.
Product: Aterm GX1200HP
Platforms: Unknown
Default status: unknown

Aterm GX1200HP · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
All versions	`affected`	Unavailable	Unavailable	Unavailable	None listed

Aterm GX1200HS4

Vendor: NEC Platforms, Ltd.
Product: Aterm GX1200HS4
Platforms: Unknown
Default status: unknown

Aterm GX1200HS4 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
All versions	`affected`	Unavailable	Unavailable	Unavailable	None listed

Aterm WG1200DM4

Vendor: NEC Platforms, Ltd.
Product: Aterm WG1200DM4
Platforms: Unknown
Default status: unknown

Aterm WG1200DM4 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
All versions	`affected`	Unavailable	Unavailable	Unavailable	None listed

Aterm GB1200PE

Vendor: NEC Platforms, Ltd.
Product: Aterm GB1200PE
Platforms: Unknown
Default status: unknown

Aterm GB1200PE · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
Before Ver. 1.3.1	`affected`	Unavailable	Unavailable	Unavailable	None listed