How severe is CVE-2025-41271?

CVE-2025-41271 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-41271 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-41271?

CVE-2025-41271 affects Waterfall-security Wf-500 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-41271?

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-2025-41271 have an EU (EUVD) identifier?

Yes. CVE-2025-41271 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209991.

When was CVE-2025-41271 published?

CVE-2025-41271 was published on 2026-05-29 and last updated on 2026-06-17.

CVE-2025-41271

CVE-2025-41271 is a high-severity vulnerability in Waterfall-security Wf-500 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-23.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.7
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-209991
Weakness: CWE-23
Affected product: Waterfall-security Wf-500 Firmware
Published: 2026-05-29
Last modified: 2026-06-17

Description

Nozomi Networks Labs identified a CWE-23: Relative Path Traversal in the Console WebUI in Waterfall WF-500 TX and RX Hosts in version 7.9.1.0 R2502171040 that allows remote unauthenticated attackers to read arbitrary files from the device.

Frequently asked questions

What is CVE-2025-41271?: Nozomi Networks Labs identified a CWE-23: Relative Path Traversal in the Console WebUI in Waterfall WF-500 TX and RX Hosts in version 7.9.1.0 R2502171040 that allows remote unauthenticated attackers to read arbitrary files from the device.
How severe is CVE-2025-41271?: CVE-2025-41271 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-41271 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-41271?: CVE-2025-41271 affects Waterfall-security Wf-500 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-41271?: 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-2025-41271 have an EU (EUVD) identifier?: Yes. CVE-2025-41271 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209991.
When was CVE-2025-41271 published?: CVE-2025-41271 was published on 2026-05-29 and last updated on 2026-06-17.

References

https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2025-41271

Affected products (1)

cpe:2.3:o:waterfall-security:wf-500_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Waterfall-security Wf-500 Firmware

CVE-2025-41277 — Critical (CVSS 9.8): Nozomi Networks Labs identified a CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS…
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