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TI-2023-20928 Aliases CVE-2023-40038GHSA-f4gg-hh5p-pjmg

Arris DG860A and DG1670A devices have predictable default WPA2 PSKs that could lead to…

Priority LOW 38CWE-287Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.

Summary

Arris DG860A and DG1670A devices have predictable default WPA2 PSKs that could lead to unauthorized remote access. (They use the first 6 characters of the SSID and the last 6 characters of the BSSID, decrementing the last digit.)

Why it matters now

EPSS 0.00358 29th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:arris:dg860a_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableArris
cpe:2.3:h:arris:dg860a:-:*:*:*:*:*:*:*not specified by NVDRunning onArris
cpe:2.3:o:arris:dg1670a_firmware:ts0901203b6_020420_16xx.gw_pc20_tw:*:*:*:*:*:*:*ts0901203b6_020420_16xx.gw_pc20_twVulnerableArris
cpe:2.3:h:arris:dg1670a:-:*:*:*:*:*:*:*not specified by NVDRunning onArris
  • cpe:2.3:o:arris:dg860a_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Arris
  • cpe:2.3:h:arris:dg860a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arris
  • cpe:2.3:o:arris:dg1670a_firmware:ts0901203b6_020420_16xx.gw_pc20_tw:*:*:*:*:*:*:* Versions ts0901203b6_020420_16xx.gw_pc20_tw Vulnerable ·Arris
  • cpe:2.3:h:arris:dg1670a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arris

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-40038
  2. 2026-10-03 Alias added: GHSA-f4gg-hh5p-pjmg

References

Sources