#VU105801 Path traversal in FlexLogger - CVE-2025-2449

Vulnerability identifier: #VU105801

Vulnerability risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2025-2449

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FlexLogger
Other software / Other software solutions

Vendor: National Instruments

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences within the parsing of URI files by the usiReg component. A remote attacker can trick a victim to open a specially crafted file and create arbitrary files on the system, leading to arbitrary code execution.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

FlexLogger: All versions

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External links
https://www.zerodayinitiative.com/advisories/ZDI-25-146/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.