CVE-2026-22109highCWE-1392

CVE-2026-22109: high-severity vulnerability in Delta UFC500

Default WebUI passwords stored in plaintext

Published

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.4epss 0.2%
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.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:H/SI:H/SA:L
Affected products
Delta Electronics · Delta UFC500
Related CVEs — Delta UFC500

In the same product, most dangerous first.

CVE-2026-22110HIGHMissing authentication check on POST/PUT requestsEPSS 0.2%CVE-2026-22105HIGHUse of default password based on serial numberEPSS 0.2%CVE-2026-22114MEDIUMMissing brute-force protection for web interfaceEPSS 0.2%