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CVE-2026-28204— CTEK Chargeportal Insufficiently Protected Credentials

Quick assessment

Affected
CTEK Chargeportal
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.

CTEK Chargeportal是瑞典CTEK公司的一个电动车充电管理平台。 CTEK Chargeportal存在安全漏洞，该漏洞源于可通过基于Web的地图平台公开访问，可能导致标识符泄露。

CVSS 6.5 · Medium EPSS 0.42% · P34

Possible ATT&CK Techniques 1 AI

T1592 · Gather Victim Host Information
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I. Basic Information for CVE-2026-28204

Vulnerability Information
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Vulnerability Title
CTEK Chargeportal Insufficiently Protected Credentials
Source: CVE Program / CVE List V5
Vulnerability Description
Charging station authentication identifiers are publicly accessible via web-based mapping platforms.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的凭证保护机制
Source: CVE Program / CVE List V5
Vulnerability Title
CTEK Chargeportal 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CTEK Chargeportal是瑞典CTEK公司的一个电动车充电管理平台。 CTEK Chargeportal存在安全漏洞，该漏洞源于可通过基于Web的地图平台公开访问，可能导致标识符泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
CTEK Chargeportal All versions -

II. Public POCs for CVE-2026-28204

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III. Intelligence Information for CVE-2026-28204

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Vendor Advisories for CVE-2026-28204 (2)

Vendor Pages for CVE-2026-28204 (1)

Same Patch Batch · CTEK · 2026-03-20 · 4 CVEs total

CVE-2026-25192 9.4 CRITICAL CTEK Chargeportal Missing Authentication for Critical Function
CVE-2026-31904 7.5 HIGH CTEK Chargeportal Improper Restriction of Excessive Authentication Attempts
CVE-2026-27649 7.3 HIGH CTEK Chargeportal Insufficient Session Expiration

IV. Related Vulnerabilities

Same product: Chargeportal
Same vendor: CTEK
Same weakness: CWE-522

V. Comments for CVE-2026-28204

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