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TI-2026-82974 Aliases CVE-2026-22109GHSA-pm3q-rpp8-c934

Default WebUI passwords stored in plaintext in Delta UFC500

Priority LOW 35CWE-1392Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
High · None · High
Fix status
Fixed

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

Summary

Delta Electronics Delta UFC500 from 0 before 1.4.7 keeps the factory default WebUI passwords for all five account types in cleartext in its shipped template database. The defaults are identical across devices and were unchanged on the tested unit, which is tracked as CWE-1392. A local user with low privileges can read these credentials and use them to access the WebUI, with high impact to confidentiality and availability.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

Description from the CNA

The shipped WebUI template database retains the factory default passwords for all five account types in cleartext. Defaults are identical across devices and were unchanged on the tested unit.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00151 4th percentileScored 2026-11-07
Fix Fixed Delta UFC500 (Delta Electronics): 1.4.7

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
Delta ElectronicsDelta UFC500——No fix listedCNA
Delta ElectronicsDelta UFC500before 1.4.71.4.7Patch availableCNA
  • Delta UFC500 VendorDelta Electronics Affected — Fixed in — No fix listed CNA
  • Delta UFC500 VendorDelta Electronics Affected before 1.4.7 Fixed in 1.4.7 Patch available CNA

Remediation

Upgrade Delta UFC500 to version 1.4.7, which fixes the versions from 0 before 1.4.7.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

  • Fix · CNA Delta UFC500 (Delta Electronics) Fixed in 1.4.7

Timeline

  1. 2026-10-30 Threatist record created from CVE-2026-22109
  2. 2026-10-30 Alias added: GHSA-pm3q-rpp8-c934
  3. 2026-10-30 CISA SSVC decision points changed
  4. 2026-10-30 Priority changed: MEDIUM → LOW

References

Advisory 2

  • TI-2021-16010 Delta Electronics DOPSoft 2 Out-of-Bounds Write KEVCVSS 3.1HIGH 7.8
  • TI-2023-01071 Deserialization of untrusted data in Delta Electronics InfraSuite Device Master CVSS 3.1CRITICAL 9.8
  • TI-2024-04235 Delta Electronics DIAEnergie SQL Injection CVSS 3.1HIGH 7.5
  • TI-2024-04234 Delta Electronics DIAEnergie SQL Injection CVSS 3.1CRITICAL 9.8
  • TI-2022-20149 Path traversal in Delta Electronics InfraSuite Device Master CVSS 3.1CRITICAL 9.8
  • TI-2024-18749 Delta Electronics DIAEnergie Path traversal CVSS 3.1HIGH 8.1
See all 229 →

Sources

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