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CVE-2025-41753— Path traversal in dynamically created BACnet File Objects

Quick assessment

Affected
WAGO 0751-9x01
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.

动态创建的 BACnet 文件对象的对象名称被解释为文件路径，且未进行充分验证。由于相对路径未被限制在预期目录内，未经身份验证的远程攻击者可以遍历该目录之外的区域，读取或覆盖设备上的任意文件，从而导致系统完全被攻陷。

CVSS 9.8 · Critical
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I. Basic Information for CVE-2025-41753

Vulnerability Information
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Vulnerability Title
Path traversal in dynamically created BACnet File Objects
Source: CVE Program / CVE List V5
Vulnerability Description
The object name of a dynamically created BACnet File Object is interpreted as a file path without sufficient validation. Because relative paths are not limited to the intended directory, an unauthenticated remote attacker can traverse outside of it and read or overwrite arbitrary files on the device, which may lead to full system compromise.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
WAGO 0751-9x01 1.0.0 ~ 4.8.9 -
WAGO 0750-811x-xxxx-xxxx 1.0.0 ~ 4.8.9 -
WAGO 0750-821x-xxx-xxx 1.0.0 ~ 4.8.9 -
WAGO 0762-420x-8000-000x 1.0.0 ~ 4.8.9 -
WAGO 0762-430x-8000-000x 1.0.0 ~ 4.8.9 -
WAGO 0762-520x-8000-000x 1.0.0 ~ 4.8.9 -
WAGO 0762-530x-8000-000x 1.0.0 ~ 4.8.9 -
WAGO 0762-620x-8000-000x 1.0.0 ~ 4.8.9 -
WAGO 0762-630x-8000-000x 1.0.0 ~ 4.8.9 -
WAGO 0752-8303-8000-0002 1.0.0 ~ 4.8.9 -
WAGO 0762-340x 1.0.0 ~ 4.8.9 -
WAGO 0751-9x01 1.0.0 ~ 4.8.9 (70) -
WAGO 0750-811x-xxxx-xxxx 1.0.0 ~ 4.8.9 (70) -
WAGO 0750-821x-xxx-xxx 1.0.0 ~ 4.8.9 (70) -
WAGO 0762-420x-8000-000x 1.0.0 ~ 4.8.9 (70) -
WAGO 0762-430x-8000-000x 1.0.0 ~ 4.8.9 (70) -
WAGO 0762-520x-8000-000x 1.0.0 ~ 4.8.9 (70) -
WAGO 0762-530x-8000-000x 1.0.0 ~ 4.8.9 (70) -
WAGO 0762-620x-8000-000x 1.0.0 ~ 4.8.9 (70) -
WAGO 0762-630x-8000-000x 1.0.0 ~ 4.8.9 (70) -
WAGO 0752-8303-8000-0002 1.0.0 ~ 4.8.9 (70) -
WAGO 0762-340x 1.0.0 ~ 4.8.9 (70) -

II. Public POCs for CVE-2025-41753

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III. Intelligence Information for CVE-2025-41753

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Other References for CVE-2025-41753 (1)

IV. Related Vulnerabilities

Same vendor: WAGO
Same weakness: CWE-22

V. Comments for CVE-2025-41753

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