WebUI Template Database Exposes Default Passwords in Cleartext for Multiple Account Types
CVE-2026-22109

8.4HIGH

Key Information:

Vendor
CVE Published:
30 October 2026

What is CVE-2026-22109?

The WebUI template database is affected by a security misconfiguration where factory default passwords for all five account types are retained in cleartext. This exposes identical default credentials across numerous devices, creating significant security risks if the default passwords are not changed post-installation. Attackers can exploit this vulnerability to gain unauthorized access to sensitive areas of the device, compromising the integrity of the system.

Affected Version(s)

Delta UFC500 2.4.18

Delta UFC500 0 < 1.4.7

References

CVSS V4

Score:
8.4
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Wilco van Beijnum (Elaadnl)
Victor Pasman (DIVD)
.