How severe is CVE-2025-41273?

CVE-2025-41273 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-41273 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-41273?

CVE-2025-41273 affects Waterfall-security Wf-500 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-41273?

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

Does CVE-2025-41273 have an EU (EUVD) identifier?

Yes. CVE-2025-41273 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209993.

When was CVE-2025-41273 published?

CVE-2025-41273 was published on 2026-05-29 and last updated on 2026-06-17.

CVE-2025-41273

CVE-2025-41273 is a critical-severity vulnerability in Waterfall-security Wf-500 Firmware with a CVSS 3.x base score of 9.8. 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-288.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-209993
Weakness: CWE-288
Affected product: Waterfall-security Wf-500 Firmware
Published: 2026-05-29
Last modified: 2026-06-17

Description

Nozomi Networks Labs identified a CWE-288: Authentication Bypass Using an Alternate Path or Channel 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 bypass authentication of the Console web application and perform actions as an authenticated user.

Frequently asked questions

What is CVE-2025-41273?: Nozomi Networks Labs identified a CWE-288: Authentication Bypass Using an Alternate Path or Channel 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 bypass authentication of the Console web application and perform actions as an authenticated user.
How severe is CVE-2025-41273?: CVE-2025-41273 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-41273 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-41273?: CVE-2025-41273 affects Waterfall-security Wf-500 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-41273?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-41273 have an EU (EUVD) identifier?: Yes. CVE-2025-41273 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209993.
When was CVE-2025-41273 published?: CVE-2025-41273 was published on 2026-05-29 and last updated on 2026-06-17.

References

https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2025-41273

Affected products (1)

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

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