How severe is CVE-2025-2449?

CVE-2025-2449 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-2449 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 31% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-2449?

CVE-2025-2449 affects Ni Flexlogger. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-2449?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-2449 have an EU (EUVD) identifier?

Yes. CVE-2025-2449 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7565.

When was CVE-2025-2449 published?

CVE-2025-2449 was published on 2025-03-18 and last updated on 2026-06-17.

CVE-2025-2449

CVE-2025-2449 is a high-severity vulnerability in Ni Flexlogger with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 31% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 31% (98th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-7565
Weakness: CWE-22
Affected product: Ni Flexlogger
Published: 2025-03-18
Last modified: 2026-06-17

Description

NI FlexLogger usiReg URI File Parsing Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to create arbitrary files on affected installations of NI FlexLogger. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of URI files by the usiReg component. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-21805.

Frequently asked questions

What is CVE-2025-2449?: NI FlexLogger usiReg URI File Parsing Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to create arbitrary files on affected installations of NI FlexLogger. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of URI files by the usiReg component. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-21805.
How severe is CVE-2025-2449?: CVE-2025-2449 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-2449 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 31% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-2449?: CVE-2025-2449 affects Ni Flexlogger. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-2449?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-2449 have an EU (EUVD) identifier?: Yes. CVE-2025-2449 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7565.
When was CVE-2025-2449 published?: CVE-2025-2449 was published on 2025-03-18 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:ni:flexlogger:2024:q1:*:*:*:*:*:*

More vulnerabilities in Ni Flexlogger

CVE-2024-6121 — High (CVSS 7.8): An out-of-date version of Redis shipped with NI SystemLink Server is susceptible to multiple vulnerabilities, including…
CVE-2022-27237 — Medium (CVSS 6.1): There is a cross-site scripting (XSS) vulnerability in an NI Web Server component installed with several NI products.…
CVE-2024-6122 — Medium (CVSS 5.5): An incorrect permission in the installation directory for the shared NI SystemLink Server KeyValueDatabase service may…
CVE-2023-5136 — Medium (CVSS 5.5): An incorrect permission assignment in the TopoGrafix DataPlugin for GPX could result in information disclosure. An…

All CVEs affecting Ni Flexlogger →

Other CWE-22 (Path Traversal) vulnerabilities

CVE-2026-48282 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted…
CVE-2026-54917 — Critical (CVSS 10.0): SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables. Prior to 4.30, the…
CVE-2026-11429 — Critical (CVSS 10.0): Two endpoints in the Vault Service ScriptsController, shared by Altium Enterprise Server and Altium 365, accept file…
CVE-2026-34909 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to…
CVE-2026-7411 — Critical (CVSS 10.0): In Eclipse BaSyx Java Server SDK versions prior to 2.0.0-milestone-10, inadequate path normalization in the Submodel…
CVE-2026-36767 — Critical (CVSS 10.0): A path traversal vulnerability in the /content/images/add endpoint of shopizer v3.2.5 allows attackers write arbitrary…

Browse all CWE-22 (Path Traversal) vulnerabilities →