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TI-2023-01644 Aliases CVE-2023-1751GHSA-8j4q-8455-qxw3

The listed versions of Nexx Smart Home devices use a WebSocket server that does not…

Priority MEDIUM 40Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

The listed versions of Nexx Smart Home devices use a WebSocket server that does not validate if the bearer token in the Authorization header belongs to the device attempting to associate. This could allow any authorized user to receive alarm information and signals meant for other devices which leak a deviceId.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00586 48th 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
Yes
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
NexxSmart Alarm NXAL-100up to nxal100v-p1-9-1—No fix listedCNA
NexxSmart Plug NXPG-100Wup to nxpg100cv4-0-0—No fix listedCNA
NexxGarage Door Controller NXG-100B, NXG-200up to nxg200v-p3-4-1—No fix listedCNA
  • Smart Alarm NXAL-100 VendorNexx Affected up to nxal100v-p1-9-1 Fixed in — No fix listed CNA
  • Smart Plug NXPG-100W VendorNexx Affected up to nxpg100cv4-0-0 Fixed in — No fix listed CNA
  • Garage Door Controller NXG-100B, NXG-200 VendorNexx Affected up to nxg200v-p3-4-1 Fixed in — No fix listed CNA

CPE configurations NVD · 8

CPEVersionsRoleVendor
cpe:2.3:o:getnexx:nxal-100_firmware:*:*:*:*:*:*:*:*up to nxal100v-p1-9-1VulnerableNexx
cpe:2.3:h:getnexx:nxal-100:-:*:*:*:*:*:*:*not specified by NVDRunning onNexx
cpe:2.3:o:getnexx:nxg-100b_firmware:*:*:*:*:*:*:*:*up to nxg100bv-p3-4-1VulnerableNexx
cpe:2.3:h:getnexx:nxg-100b:-:*:*:*:*:*:*:*not specified by NVDRunning onNexx
cpe:2.3:o:getnexx:nxpg-100w_firmware:*:*:*:*:*:*:*:*up to nxpg100cv4-0-0VulnerableNexx
cpe:2.3:h:getnexx:nxpg-100w:-:*:*:*:*:*:*:*not specified by NVDRunning onNexx
cpe:2.3:o:getnexx:nxg-200_firmware:*:*:*:*:*:*:*:*up to nxg200v-p3-4-1VulnerableNexx
cpe:2.3:h:getnexx:nxg-200:-:*:*:*:*:*:*:*not specified by NVDRunning onNexx
  • cpe:2.3:o:getnexx:nxal-100_firmware:*:*:*:*:*:*:*:* Versions up to nxal100v-p1-9-1 Vulnerable ·Nexx
  • cpe:2.3:h:getnexx:nxal-100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Nexx
  • cpe:2.3:o:getnexx:nxg-100b_firmware:*:*:*:*:*:*:*:* Versions up to nxg100bv-p3-4-1 Vulnerable ·Nexx
  • cpe:2.3:h:getnexx:nxg-100b:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Nexx
  • cpe:2.3:o:getnexx:nxpg-100w_firmware:*:*:*:*:*:*:*:* Versions up to nxpg100cv4-0-0 Vulnerable ·Nexx
  • cpe:2.3:h:getnexx:nxpg-100w:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Nexx
  • cpe:2.3:o:getnexx:nxg-200_firmware:*:*:*:*:*:*:*:* Versions up to nxg200v-p3-4-1 Vulnerable ·Nexx
  • cpe:2.3:h:getnexx:nxg-200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Nexx

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-1751
  2. 2026-10-03 Alias added: GHSA-8j4q-8455-qxw3

References

Advisory 1

  • TI-2023-01641 Hard-coded credentials in Nexx Smart Alarm NXAL-100 CVSS 3.1CRITICAL 10.0
  • TI-2023-01645 Improper authentication in Nexx Smart Alarm NXAL-100 CVSS 3.1HIGH 8.1
  • TI-2023-01643 Authorization bypass in Nexx Smart Alarm NXAL-100 CVSS 3.1HIGH 7.1
  • TI-2023-01642 Authorization bypass in Nexx Smart Alarm NXAL-100 CVSS 3.1MEDIUM 6.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences