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TI-2026-82976 Aliases CVE-2026-22114GHSA-474v-rchr-jj2v

Missing brute-force protection in Delta Electronics UFC500 web interface

Priority LOW 23CWE-307Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-307.

Summary

Delta Electronics UFC500 versions from 0 before 4.4.2 are affected. HTTP basic authentication on the web interface enforces no retry limit or backoff, so an attacker can repeatedly guess passwords. Combined with the default service password, the keyspace can be exhausted by an unauthenticated attacker on the adjacent network.

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

Description from the CNA

HTTP basic auth enforces no retry limit or backoff. Combined with the default service password, the keyspace is exhaustible.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00185 8th percentileScored 2026-11-07
Fix Fixed Delta UFC500 (Delta Electronics): 4.4.2

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 4.4.24.4.2Patch availableCNA
  • Delta UFC500 VendorDelta Electronics Affected — Fixed in — No fix listed CNA
  • Delta UFC500 VendorDelta Electronics Affected before 4.4.2 Fixed in 4.4.2 Patch available CNA

Remediation

Delta Electronics UFC500 version 4.4.2 fixes the flaw. The sources list no fixed version for Delta UFC500.

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

  • Fix · CNA Delta UFC500 (Delta Electronics) Fixed in 4.4.2

Timeline

  1. 2026-10-30 Threatist record created from CVE-2026-22114
  2. 2026-10-30 Alias added: GHSA-474v-rchr-jj2v
  3. 2026-10-30 CISA SSVC decision points changed

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