Vulnerability · Published Oct 30, 2026 · Assigned by DIVD
CVE-2026-22110Missing authentication check on POST/PUT requests
High 8.7
In plain English
A high-severity missing authentication in Delta UFC500 from Delta Electronics. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities).
Severity (CVSS 4.0)8.7High
Exploit odds (30 days)0.2%top 84.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The web server does not check authentication on POST or PUT. An unauthenticated attacker can reboot the charger; by brute-forcing the configid, they can also set the service password and then change any setting.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Delta Electronics | Delta UFC500 | 0 – before 2.4.18 |
| Delta Electronics | Delta UFC500 | 0 – before 4.4.1 |
Weakness: CWE-306 · Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
References
- https://csirt.divd.nl/DIVD-2026-00012 third-party-advisory
- https://csirt.divd.nl/CVE-2026-22110 third-party-advisory