CVE-2025-40737: sinec nms Path Traversal — Fix

Description

A vulnerability has been identified in SINEC NMS (All versions < V4.0). The affected application does not properly validate file paths when extracting uploaded ZIP files. This could allow an attacker to write arbitrary files to restricted locations and potentially execute code with elevated privileges (ZDI-CAN-26571).

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-22 Path Traversal

Affected Products

Vendor	Product	Versions
siemens	sinec_nms	< 4.0

References

Advisories & Patches

https://cert-portal.siemens.com/productcert/html/ssa-078892.html

Frequently Asked Questions

What is CVE-2025-40737? +

A vulnerability has been identified in SINEC NMS (All versions < V4.0). The affected application does not properly validate file paths when extracting uploaded ZIP files. This could allow an attacker to write arbitrary files to restricted locations and potentially execute code with elevated privileges (ZDI-CAN-26571). It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-40737? +

CVE-2025-40737 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-40737? +

CVE-2025-40737 affects products from siemens, specifically: sinec_nms. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-40737? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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