# CVE-2025-41270: Waterfall WF-500 OS command injection in Console WebUI

Source: https://junglewise.ai/threats/cve-2025-41270-waterfall-wf-500-os-command-injection-in-console-webui  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-05-29. Updated: 2026-05-29  
License: CC BY 4.0 with a link back

CVE-2025-41270 · Severity: info · CVSS 9.3 · Published 2026-05-29

A critical security flaw has been identified in Waterfall WF-500 Unidirectional Security Gateways, which are used to protect industrial control systems by ensuring data only flows in one direction. An attacker can remotely take full control of the device's management interface without needing a username or password. This could allow an adversary to disrupt industrial operations, modify device configurations, or gain a foothold in the network.

Technologies: [Waterfall Security Solutions WF-500 RX Host](https://junglewise.ai/threats/technologies/wf-500-rx-host), [Waterfall Security Solutions WF-500 TX Host](https://junglewise.ai/threats/technologies/wf-500-tx-host). Vendors: [Waterfall Security Solutions](https://junglewise.ai/threats/vendors/waterfall-security-solutions).

## Quick answers

**Is CVE-2025-41270 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-41270 being exploited in the wild.

**How severe is CVE-2025-41270?** Informational severity, with a CVSS score of 9.3, published 29 May 2026.

**Which products and versions are affected?** Waterfall Security Solutions WF-500 RX Host 7.9.1.0 R2502171040; Waterfall Security Solutions WF-500 TX Host 7.9.1.0 R2502171040.

**Is there a fix for CVE-2025-41270?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2025-41270 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2025-41270?** Check whether you run Waterfall Security Solutions WF-500 RX Host or Waterfall Security Solutions WF-500 TX Host at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

An OS command injection vulnerability (CWE-78) exists in the Console WebUI of Waterfall WF-500 TX and RX hosts. The flaw stems from improper neutralization of special elements used in OS commands within the web management interface. A remote, unauthenticated attacker can exploit this by sending specially crafted requests to the device, leading to arbitrary command execution at the operating system level. The vulnerability is present in version 7.9.1.0 R2502171040. Successful exploitation grants the attacker full system compromise (High Confidentiality, Integrity, and Availability impact) without requiring user interaction.

## Affected products

- Waterfall Security Solutions WF-500 TX Host 7.9.1.0 R2502171040
- Waterfall Security Solutions WF-500 RX Host 7.9.1.0 R2502171040

## Timeline

- 2026-05-29: disclosed: Initial disclosure by Nozomi Networks Labs
- 2026-05-29: advisory: NVD record published

## References

- [https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2025-41270](https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2025-41270)

## Related threats

- [Waterfall WF-500 RX Host OS command injection in MySQL connector](https://junglewise.ai/threats/cve-2025-41281-waterfall-wf-500-rx-host-os-command-injection-in-mysql-connector)
- [Waterfall WF-500 RX Host path traversal in file compression handling](https://junglewise.ai/threats/cve-2025-41280-waterfall-wf-500-rx-host-path-traversal-in-file-compression)
- [Waterfall WF-500 RX Host OS command injection in Administration WebUI](https://junglewise.ai/threats/cve-2025-41279-waterfall-wf-500-rx-host-os-command-injection-in-administration)
- [Waterfall WF-500 RX Host out-of-bounds read code execution](https://junglewise.ai/threats/cve-2025-41278-waterfall-wf-500-rx-host-out-of-bounds-read-code-execution)
- [Waterfall WF-500 OS command injection in Console WebUI](https://junglewise.ai/threats/cve-2025-41277-waterfall-wf-500-os-command-injection-in-console-webui)