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Siemens RUGGEDCOM APE1808

CVE-2026-23573CVE-2026-59839

August 12, 2026 · CISA (US-CERT) · Severity: CRITICAL

Two Fortinet vulnerabilities impact Siemens RUGGEDCOM APE1808 when running Fortinet NGFW software. CVE-2026-23573 allows authenticated remote code execution via XSS, while CVE-2026-59839 enables path traversal. Users must apply Fortinet mitigations and contact Siemens customer support for detailed remediation guidance.

Key Takeaways

  • Siemens RUGGEDCOM APE1808 affected by Fortinet vulnerabilities CVE-2026-23573 and CVE-2026-59839.
  • CVE-2026-23573 is a cross-site scripting flaw; CVE-2026-59839 is a path traversal in FortiOS and FortiProxy.
  • Siemens recommends contacting support and following Fortinet advisory; no direct patch from Siemens.
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