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TI-2026-04023 Aliases CVE-2026-4621GHSA-v782-gww8-28q2

Hidden Functionality vulnerability in NEC Platforms, Ltd.

Priority LOW 27CWE-912Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00163 5th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
NEC Platforms, Ltd.Aterm W1200EX(-MS)All versions—No fix listedCNA
NEC Platforms, Ltd.Aterm WG1200HP2All versions—No fix listedCNA
NEC Platforms, Ltd.Aterm WG1900HPAll versions—No fix listedCNA
NEC Platforms, Ltd.Aterm WG1200HS2All versions—No fix listedCNA
NEC Platforms, Ltd.Aterm WG1800HP3All versions—No fix listedCNA
NEC Platforms, Ltd.Aterm WG1200HP3All versions—No fix listedCNA
NEC Platforms, Ltd.Aterm WG1900HP2All versions—No fix listedCNA
NEC Platforms, Ltd.Aterm WG1200HS3All versions—No fix listedCNA
NEC Platforms, Ltd.Aterm WG1800HP4All versions—No fix listedCNA
NEC Platforms, Ltd.Aterm WG1200HP4All versions—No fix listedCNA
NEC Platforms, Ltd.Aterm WG1200HS4All versions—No fix listedCNA
NEC Platforms, Ltd.Aterm WX1500HPBefore Ver. 1.4.2—No fix listedCNA
NEC Platforms, Ltd.Aterm WG2600HSBefore Ver. 1.7.2—No fix listedCNA
NEC Platforms, Ltd.Aterm WF1200CRBefore Ver. 1.6.0—No fix listedCNA
NEC Platforms, Ltd.Aterm WG1200CRBefore Ver. 1.5.0—No fix listedCNA
NEC Platforms, Ltd.Aterm WG2600HP4Before Ver. 1.4.2—No fix listedCNA
NEC Platforms, Ltd.Aterm WG2600HM4Before Ver. 1.4.2—No fix listedCNA
NEC Platforms, Ltd.Aterm WG2600HS2Before Ver. 1.3.2—No fix listedCNA
NEC Platforms, Ltd.Aterm WX3000HPBefore Ver. 2.5.0—No fix listedCNA
NEC Platforms, Ltd.Aterm WX3000HP2Before Ver. 1.3.2—No fix listedCNA
NEC Platforms, Ltd.Aterm WX3600HPBefore Ver. 1.4.2—No fix listedCNA
NEC Platforms, Ltd.Aterm GX1200HPAll versions—No fix listedCNA
NEC Platforms, Ltd.Aterm GX1200HS4All versions—No fix listedCNA
NEC Platforms, Ltd.Aterm WG1200DM4All versions—No fix listedCNA
NEC Platforms, Ltd.Aterm GB1200PEBefore Ver. 1.3.1—No fix listedCNA
  • Aterm W1200EX(-MS) VendorNEC Platforms, Ltd. Affected All versions Fixed in — No fix listed CNA
  • Aterm WG1200HP2 VendorNEC Platforms, Ltd. Affected All versions Fixed in — No fix listed CNA
  • Aterm WG1900HP VendorNEC Platforms, Ltd. Affected All versions Fixed in — No fix listed CNA
  • Aterm WG1200HS2 VendorNEC Platforms, Ltd. Affected All versions Fixed in — No fix listed CNA
  • Aterm WG1800HP3 VendorNEC Platforms, Ltd. Affected All versions Fixed in — No fix listed CNA
  • Aterm WG1200HP3 VendorNEC Platforms, Ltd. Affected All versions Fixed in — No fix listed CNA
  • Aterm WG1900HP2 VendorNEC Platforms, Ltd. Affected All versions Fixed in — No fix listed CNA
  • Aterm WG1200HS3 VendorNEC Platforms, Ltd. Affected All versions Fixed in — No fix listed CNA
  • Aterm WG1800HP4 VendorNEC Platforms, Ltd. Affected All versions Fixed in — No fix listed CNA
  • Aterm WG1200HP4 VendorNEC Platforms, Ltd. Affected All versions Fixed in — No fix listed CNA
  • Aterm WG1200HS4 VendorNEC Platforms, Ltd. Affected All versions Fixed in — No fix listed CNA
  • Aterm WX1500HP VendorNEC Platforms, Ltd. Affected Before Ver. 1.4.2 Fixed in — No fix listed CNA
  • Aterm WG2600HS VendorNEC Platforms, Ltd. Affected Before Ver. 1.7.2 Fixed in — No fix listed CNA
  • Aterm WF1200CR VendorNEC Platforms, Ltd. Affected Before Ver. 1.6.0 Fixed in — No fix listed CNA
  • Aterm WG1200CR VendorNEC Platforms, Ltd. Affected Before Ver. 1.5.0 Fixed in — No fix listed CNA
  • Aterm WG2600HP4 VendorNEC Platforms, Ltd. Affected Before Ver. 1.4.2 Fixed in — No fix listed CNA
  • Aterm WG2600HM4 VendorNEC Platforms, Ltd. Affected Before Ver. 1.4.2 Fixed in — No fix listed CNA
  • Aterm WG2600HS2 VendorNEC Platforms, Ltd. Affected Before Ver. 1.3.2 Fixed in — No fix listed CNA
  • Aterm WX3000HP VendorNEC Platforms, Ltd. Affected Before Ver. 2.5.0 Fixed in — No fix listed CNA
  • Aterm WX3000HP2 VendorNEC Platforms, Ltd. Affected Before Ver. 1.3.2 Fixed in — No fix listed CNA
  • Aterm WX3600HP VendorNEC Platforms, Ltd. Affected Before Ver. 1.4.2 Fixed in — No fix listed CNA
  • Aterm GX1200HP VendorNEC Platforms, Ltd. Affected All versions Fixed in — No fix listed CNA
  • Aterm GX1200HS4 VendorNEC Platforms, Ltd. Affected All versions Fixed in — No fix listed CNA
  • Aterm WG1200DM4 VendorNEC Platforms, Ltd. Affected All versions Fixed in — No fix listed CNA
  • Aterm GB1200PE VendorNEC Platforms, Ltd. Affected Before Ver. 1.3.1 Fixed in — No fix listed CNA

CPE configurations NVD · 42

CPEVersionsRoleVendor
cpe:2.3:o:nec:aterm_wg1200hp4_firmware:*:*:*:*:*:*:*:*all versionsVulnerableNEC Corporation
cpe:2.3:h:nec:aterm_wg1200hp4:-:*:*:*:*:*:*:*not specified by NVDRunning onNEC Corporation
cpe:2.3:o:nec:aterm_wg2600hs_firmware:*:*:*:*:*:*:*:*before 1.7.2VulnerableNEC Corporation
cpe:2.3:h:nec:aterm_wg2600hs:-:*:*:*:*:*:*:*not specified by NVDRunning onNEC Corporation
cpe:2.3:o:nec:aterm_wf1200cr_firmware:*:*:*:*:*:*:*:*before 1.6.0VulnerableNEC Corporation
cpe:2.3:h:nec:aterm_wf1200cr:-:*:*:*:*:*:*:*not specified by NVDRunning onNEC Corporation
cpe:2.3:o:nec:aterm_wg1200cr_firmware:*:*:*:*:*:*:*:*before 1.5.0VulnerableNEC Corporation
cpe:2.3:h:nec:aterm_wg1200cr:-:*:*:*:*:*:*:*not specified by NVDRunning onNEC Corporation
cpe:2.3:o:nec:aterm_wg2600hp4_firmware:*:*:*:*:*:*:*:*before 1.4.2VulnerableNEC Corporation
cpe:2.3:h:nec:aterm_wg2600hp4:-:*:*:*:*:*:*:*not specified by NVDRunning onNEC Corporation
  • cpe:2.3:o:nec:aterm_wg1200hp4_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·NEC Corporation
  • cpe:2.3:h:nec:aterm_wg1200hp4:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
  • cpe:2.3:o:nec:aterm_wg2600hs_firmware:*:*:*:*:*:*:*:* Versions before 1.7.2 Vulnerable ·NEC Corporation
  • cpe:2.3:h:nec:aterm_wg2600hs:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
  • cpe:2.3:o:nec:aterm_wf1200cr_firmware:*:*:*:*:*:*:*:* Versions before 1.6.0 Vulnerable ·NEC Corporation
  • cpe:2.3:h:nec:aterm_wf1200cr:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
  • cpe:2.3:o:nec:aterm_wg1200cr_firmware:*:*:*:*:*:*:*:* Versions before 1.5.0 Vulnerable ·NEC Corporation
  • cpe:2.3:h:nec:aterm_wg1200cr:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
  • cpe:2.3:o:nec:aterm_wg2600hp4_firmware:*:*:*:*:*:*:*:* Versions before 1.4.2 Vulnerable ·NEC Corporation
  • cpe:2.3:h:nec:aterm_wg2600hp4:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
Show 32 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:nec:aterm_wg2600hm4_firmware:*:*:*:*:*:*:*:*before 1.4.2VulnerableNEC Corporation
cpe:2.3:h:nec:aterm_wg2600hm4:-:*:*:*:*:*:*:*not specified by NVDRunning onNEC Corporation
cpe:2.3:o:nec:aterm_wg2600hs2_firmware:*:*:*:*:*:*:*:*before 1.3.2VulnerableNEC Corporation
cpe:2.3:h:nec:aterm_wg2600hs2:-:*:*:*:*:*:*:*not specified by NVDRunning onNEC Corporation
cpe:2.3:o:nec:aterm_wx3000hp_firmware:*:*:*:*:*:*:*:*before 2.5.0VulnerableNEC Corporation
cpe:2.3:h:nec:aterm_wx3000hp:-:*:*:*:*:*:*:*not specified by NVDRunning onNEC Corporation
cpe:2.3:o:nec:aterm_wx3600hp_firmware:*:*:*:*:*:*:*:*up to 1.5.3VulnerableNEC Corporation
cpe:2.3:h:nec:aterm_wx3600hp:-:*:*:*:*:*:*:*not specified by NVDRunning onNEC Corporation
cpe:2.3:o:nec:aterm_w1200ex-ms_firmware:*:*:*:*:*:*:*:*all versionsVulnerableNEC Corporation
cpe:2.3:h:nec:aterm_w1200ex-ms:-:*:*:*:*:*:*:*not specified by NVDRunning onNEC Corporation
cpe:2.3:o:nec:aterm_wg1200hp2_firmware:*:*:*:*:*:*:*:*all versionsVulnerableNEC Corporation
cpe:2.3:h:nec:aterm_wg1200hp2:-:*:*:*:*:*:*:*not specified by NVDRunning onNEC Corporation
cpe:2.3:o:nec:aterm_wg1900hp_firmware:*:*:*:*:*:*:*:*all versionsVulnerableNEC Corporation
cpe:2.3:h:nec:aterm_wg1900hp:-:*:*:*:*:*:*:*not specified by NVDRunning onNEC Corporation
cpe:2.3:o:nec:aterm_wg1200hs2_firmware:*:*:*:*:*:*:*:*all versionsVulnerableNEC Corporation
cpe:2.3:h:nec:aterm_wg1200hs2:-:*:*:*:*:*:*:*not specified by NVDRunning onNEC Corporation
cpe:2.3:o:nec:aterm_wg1800hp3_firmware:*:*:*:*:*:*:*:*all versionsVulnerableNEC Corporation
cpe:2.3:h:nec:aterm_wg1800hp3:-:*:*:*:*:*:*:*not specified by NVDRunning onNEC Corporation
cpe:2.3:o:nec:aterm_wg1200hp3_firmware:*:*:*:*:*:*:*:*all versionsVulnerableNEC Corporation
cpe:2.3:h:nec:aterm_wg1200hp3:-:*:*:*:*:*:*:*not specified by NVDRunning onNEC Corporation
cpe:2.3:o:nec:aterm_wg1900hp2_firmware:*:*:*:*:*:*:*:*all versionsVulnerableNEC Corporation
cpe:2.3:h:nec:aterm_wg1900hp2:-:*:*:*:*:*:*:*not specified by NVDRunning onNEC Corporation
cpe:2.3:o:nec:aterm_wg1200hs3_firmware:*:*:*:*:*:*:*:*all versionsVulnerableNEC Corporation
cpe:2.3:h:nec:aterm_wg1200hs3:-:*:*:*:*:*:*:*not specified by NVDRunning onNEC Corporation
cpe:2.3:o:nec:aterm_wg1800hp4_firmware:*:*:*:*:*:*:*:*all versionsVulnerableNEC Corporation
cpe:2.3:h:nec:aterm_wg1800hp4:-:*:*:*:*:*:*:*not specified by NVDRunning onNEC Corporation
cpe:2.3:o:nec:aterm_wg1200hs4_firmware:*:*:*:*:*:*:*:*all versionsVulnerableNEC Corporation
cpe:2.3:h:nec:aterm_wg1200hs4:-:*:*:*:*:*:*:*not specified by NVDRunning onNEC Corporation
cpe:2.3:o:nec:aterm_wx1500hp_firmware:*:*:*:*:*:*:*:*before 1.4.2VulnerableNEC Corporation
cpe:2.3:h:nec:aterm_wx1500hp:-:*:*:*:*:*:*:*not specified by NVDRunning onNEC Corporation
cpe:2.3:o:nec:aterm_wx3000hp2_firmware:*:*:*:*:*:*:*:*before 1.3.2VulnerableNEC Corporation
cpe:2.3:h:nec:aterm_wx3000hp2:-:*:*:*:*:*:*:*not specified by NVDRunning onNEC Corporation
  • cpe:2.3:o:nec:aterm_wg2600hm4_firmware:*:*:*:*:*:*:*:* Versions before 1.4.2 Vulnerable ·NEC Corporation
  • cpe:2.3:h:nec:aterm_wg2600hm4:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
  • cpe:2.3:o:nec:aterm_wg2600hs2_firmware:*:*:*:*:*:*:*:* Versions before 1.3.2 Vulnerable ·NEC Corporation
  • cpe:2.3:h:nec:aterm_wg2600hs2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
  • cpe:2.3:o:nec:aterm_wx3000hp_firmware:*:*:*:*:*:*:*:* Versions before 2.5.0 Vulnerable ·NEC Corporation
  • cpe:2.3:h:nec:aterm_wx3000hp:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
  • cpe:2.3:o:nec:aterm_wx3600hp_firmware:*:*:*:*:*:*:*:* Versions up to 1.5.3 Vulnerable ·NEC Corporation
  • cpe:2.3:h:nec:aterm_wx3600hp:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
  • cpe:2.3:o:nec:aterm_w1200ex-ms_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·NEC Corporation
  • cpe:2.3:h:nec:aterm_w1200ex-ms:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
  • cpe:2.3:o:nec:aterm_wg1200hp2_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·NEC Corporation
  • cpe:2.3:h:nec:aterm_wg1200hp2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
  • cpe:2.3:o:nec:aterm_wg1900hp_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·NEC Corporation
  • cpe:2.3:h:nec:aterm_wg1900hp:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
  • cpe:2.3:o:nec:aterm_wg1200hs2_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·NEC Corporation
  • cpe:2.3:h:nec:aterm_wg1200hs2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
  • cpe:2.3:o:nec:aterm_wg1800hp3_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·NEC Corporation
  • cpe:2.3:h:nec:aterm_wg1800hp3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
  • cpe:2.3:o:nec:aterm_wg1200hp3_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·NEC Corporation
  • cpe:2.3:h:nec:aterm_wg1200hp3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
  • cpe:2.3:o:nec:aterm_wg1900hp2_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·NEC Corporation
  • cpe:2.3:h:nec:aterm_wg1900hp2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
  • cpe:2.3:o:nec:aterm_wg1200hs3_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·NEC Corporation
  • cpe:2.3:h:nec:aterm_wg1200hs3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
  • cpe:2.3:o:nec:aterm_wg1800hp4_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·NEC Corporation
  • cpe:2.3:h:nec:aterm_wg1800hp4:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
  • cpe:2.3:o:nec:aterm_wg1200hs4_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·NEC Corporation
  • cpe:2.3:h:nec:aterm_wg1200hs4:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
  • cpe:2.3:o:nec:aterm_wx1500hp_firmware:*:*:*:*:*:*:*:* Versions before 1.4.2 Vulnerable ·NEC Corporation
  • cpe:2.3:h:nec:aterm_wx1500hp:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
  • cpe:2.3:o:nec:aterm_wx3000hp2_firmware:*:*:*:*:*:*:*:* Versions before 1.3.2 Vulnerable ·NEC Corporation
  • cpe:2.3:h:nec:aterm_wx3000hp2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-4621
  2. 2026-10-03 Alias added: GHSA-v782-gww8-28q2

References

  • TI-2023-03494 OS command injection in NEC Platforms, Ltd. ITK-6DGS-1 TEL CVSS 3.1CRITICAL 9.8
  • TI-2024-02823 NEC Platforms DT900 and DT900S Series 5.0.0.0 – v5.3.4.4, v5.4.0.0 – v5.6.0.20 allows an… CVSS 3.1CRITICAL 9.1
  • TI-2022-09210 OS command injection in NEC Platforms, Ltd. UNIVERGE DT CVSS 3.1CRITICAL 9.8
  • TI-2026-07601 OS command injection in NEC Platforms, Ltd. Aterm MR51FN CVSS 4.0HIGH 8.5
  • TI-2020-04602 OS command injection in NEC Corporation Aterm SA3500G CVSS 3.1HIGH 8.8
  • TI-2018-00570 Improper privilege management in NEC Platforms, Ltd. Calsos CSDX and CSDJ series products CVSS 3.0HIGH 8.8
See all 16 →

Sources