Cyber Resilience

CVE-2025-41270

CriticalRCEUpdated

Published: 29 May 2026

Published
29 May 2026
Modified
17 June 2026
KEV Added
—
Patch
—
CVSS Score v4 9.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0138 68.8th percentile
Risk Priority 70 floored blend · peak EPSS

Summary

CVE-2025-41270 is a critical-severity OS Command Injection (CWE-78) vulnerability in Waterfall-Security Wf-500 Firmware. Its CVSS base score is 9.3 (Critical).

Operationally, ranked in the top 31.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 SC-7 (Boundary Protection) and SI-10 (Information Input Validation).

Deeper analysis

CVE-2025-41270 is an OS command injection vulnerability (CWE-78) discovered by Nozomi Networks Labs in the Console WebUI of Waterfall WF-500 TX and RX Hosts running version 7.9.1.0 R2502171040. The flaw stems from improper neutralization of special elements in operating system commands and carries a CVSS 4.0 score of 9.3.

Remote unauthenticated attackers can exploit the issue over the network to execute arbitrary operating system commands on the affected devices, resulting in high impacts to confidentiality, integrity, and availability without requiring user interaction or privileges.

The Nozomi Networks Labs advisory published at https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2025-41270 contains the primary technical details for the vulnerability.

The associated EPSS score rose from a low baseline to a recorded peak of 0.0102, indicating emerging exploitation interest after disclosure.

OWASP Top 10 for Web (2025)

A05:2025 Injection

EU & UK References

Vulnerability details

Nozomi Networks Labs identified a CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') 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…

more

execute arbitrary operating system commands on the device.

CWE(s)
CWE-78

Related Threats

CVEs Like This One

CVE-2025-41276Same product: Waterfall-Security Wf-500
CVE-2025-41269Same product: Waterfall-Security Wf-500
CVE-2025-41272Same product: Waterfall-Security Wf-500
CVE-2025-41265Same product: Waterfall-Security Wf-500
CVE-2025-41277Same product: Waterfall-Security Wf-500
CVE-2025-41274Same product: Waterfall-Security Wf-500
CVE-2025-41266Same product: Waterfall-Security Wf-500
CVE-2025-41267Same product: Waterfall-Security Wf-500
CVE-2025-41275Same product: Waterfall-Security Wf-500
CVE-2025-41279Same product: Waterfall-Security Wf-500

Affected Assets

waterfall-security
wf-500 firmware
≤ 7.9.1.0_r2502171040

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

SI-10 Information Input Validation good match
prevent

Requires validation and sanitization of all WebUI inputs to block special characters that enable OS command injection (CWE-78).

SC-7 Boundary Protection good match
prevent

Enforces boundary protection and network segmentation to block unauthenticated remote access to the vulnerable Console WebUI.

SI-2 Flaw Remediation good match
prevent

Mandates timely application of vendor patches to eliminate the command-injection flaw in WF-500 firmware 7.9.1.0.

References