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CVE-2026-12705— Integrity mechanism of KNX-device FW-files can be bypassed in ABB Update Tool

Quick assessment

Affected
ABB KNX Update Tool (ABB)
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.

ABB KNX Update Tool是瑞士ABB公司的一款工程工具软件（ETS）应用程序插件。 ABB KNX Update Tool 2.0.175及之前版本存在加密问题漏洞，该漏洞源于缺少完整性检查支持，可能导致完整性校验缺失。

CVSS 6.4 · Medium EPSS 0.15% · P5

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProduct Version RangeStatus
ABB KNX Update Tool (ABB) ≤ 2.0.175 affected
ABB KNX Update Tool (BJE) ≤ 2.0.175 affected
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I. Basic Information for CVE-2026-12705

Vulnerability Information
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Vulnerability Title
Integrity mechanism of KNX-device FW-files can be bypassed in ABB Update Tool
Source: CVE Program / CVE List V5
Vulnerability Description
Missing support for integrity check vulnerability in ABB KNX Update Tool (ABB), ABB KNX Update Tool (BJE). This issue affects KNX Update Tool (ABB): through 2.0.175; KNX Update Tool (BJE): through 2.0.175.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
缺失完整性检查支持
Source: CVE Program / CVE List V5
Vulnerability Title
ABB KNX Update Tool 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ABB KNX Update Tool是瑞士ABB公司的一款工程工具软件（ETS）应用程序插件。 ABB KNX Update Tool 2.0.175及之前版本存在加密问题漏洞，该漏洞源于缺少完整性检查支持，可能导致完整性校验缺失。
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
ABB KNX Update Tool (ABB) 0 ~ 2.0.175 -
ABB KNX Update Tool (BJE) 0 ~ 2.0.175 -

II. Public POCs for CVE-2026-12705

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III. Intelligence Information for CVE-2026-12705

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Vendor Advisories for CVE-2026-12705 (1)

IV. Related Vulnerabilities

Same vendor: ABB
Same weakness: CWE-353

V. Comments for CVE-2026-12705

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