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CVE-2025-41266

8.6
High
EPSS 0.88%Patch availableMay 29, 2026

OS command injection in WF-500 TX Host Admin WebUI allows remote authenticated commands.

common questions

Is CVE-2025-41266 being exploited?

Not confirmed. CVE-2025-41266 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.88% probability of exploitation in the next 30 days.

How severe is CVE-2025-41266?

CVE-2025-41266 is rated High with a CVSS score of 8.6. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.

Is there a patch for CVE-2025-41266?

Yes. A fix has been recorded for CVE-2025-41266. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2025-41266 affect?

CVE-2025-41266 affects Waterfall WF-500 TX Host Admin WebUI 7.9.1.0 R2502171040. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2025-41266?

Isolate Admin WebUI, restrict access, rotate credentials, monitor activity; patch when available.

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary
technical analysis
affected
Waterfall WF-500 TX Host Admin WebUI 7.9.1.0 R2502171040
impact

Remote authenticated attackers can execute arbitrary OS commands on the WF-500 TX Host via the Admin WebUI, risking full device compromise.

action required

Immediate action required

affected versions
Waterfall WF-500
  • affected<= 7.9.1.0 R2502171040

As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.

how to fix
Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.
references
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