CVE-2026-22110— Missing authentication check on POST/PUT requests

Quick assessment

Affected

Delta Electronics Delta UFC500

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

该 Web 服务器未对 POST 或 PUT 请求进行身份验证。未认证的攻击者可以重启充电桩；通过暴力破解配置 ID（configid），攻击者还能设置服务密码，进而修改任意配置项。

CVSS 8.7 · High Updated Oct 31, 2026

Possible ATT&CK Techniques 3 AI

T1110.001 · Password Guessing T1078 · Valid Accounts T1190 · Exploit Public-Facing Application

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Vulnerability Information

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Vulnerability Title

Missing authentication check on POST/PUT requests

Source: CVE Program / CVE List V5

Vulnerability 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.

Source: CVE Program / CVE List V5

CVSS Information

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

Source: CVE Program / CVE List V5

Vulnerability Type

关键功能的认证机制缺失

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Delta Electronics	Delta UFC500	0 ~ 2.4.18	-
Delta Electronics	Delta UFC500	0 ~ 4.4.1	-

II. Public POCs for CVE-2026-22110

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-22110

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Vendor Advisories for CVE-2026-22110 (2)

🔗 DIVD CSIRT | Making the internet safer through Coordinated Vulnerability Disclosure third-party-advisory
🔗 DIVD-2026-00012 - MikroTik RouterOS MikroTrick vulnerabilities | DIVD CSIRT third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-22110

Same Patch Batch · Delta Electronics · 2026-10-30 · 4 CVEs total

CVE-2026-22105	8.7 HIGH	Use of default password based on serial number
CVE-2026-22109	8.4 HIGH	Default WebUI passwords stored in plaintext
CVE-2026-22114	5.3 MEDIUM	Missing brute-force protection for web interface

IV. Related Vulnerabilities

Same product: Delta UFC500

Same vendor: Delta Electronics

Same weakness: CWE-306