CVE-2026-27565: Pepperl+Fuchs ICE2/ICE3 OS command injection in IODD file upload

CVE-2026-27565 · Severity: critical · CVSS 9.8 · Published 2026-09-16

Pepperl+Fuchs ICE2 and ICE3 industrial controller devices are vulnerable to unauthenticated remote code execution through malicious IODD (IO Device Description) file uploads. An attacker can execute arbitrary shell commands with root privileges that persist across device reboots, giving complete control over critical factory automation equipment and potentially affecting downstream production systems.

Technologies: Pepperl+Fuchs ICE2-8IOL-G65L-V1D, Pepperl+Fuchs ICE2-8IOL-K45P-RJ45, Pepperl+Fuchs ICE2-8IOL-K45S-RJ45, Pepperl+Fuchs ICE2-8IOL1-G65L-V1D, Pepperl+Fuchs ICE3-8IOL-G65L-V1D, Pepperl+Fuchs ICE3-8IOL-G65L-V1D-Y, Pepperl+Fuchs ICE3-8IOL-K45P-RJ45, Pepperl+Fuchs ICE3-8IOL-K45S-RJ45, Pepperl+Fuchs ICE3-8IOL1-G65L-V1D. Vendors: Pepperl+Fuchs.

Quick answers

Is CVE-2026-27565 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-27565 being exploited in the wild.
How severe is CVE-2026-27565?
Critical severity, with a CVSS score of 9.8, published 16 September 2026.
Which products and versions are affected?
Pepperl+Fuchs ICE2-8IOL-G65L-V1D <1.7.4; Pepperl+Fuchs ICE2-8IOL-K45P-RJ45 <1.7.4; Pepperl+Fuchs ICE2-8IOL-K45S-RJ45 <1.7.4; Pepperl+Fuchs ICE2-8IOL1-G65L-V1D <1.7.4; and 5 more.
Is there a fix for CVE-2026-27565?
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-2026-27565 attacked?
It is attacked over the network, in device firmware.
Am I affected by CVE-2026-27565?
Check whether you run Pepperl+Fuchs ICE2-8IOL-G65L-V1D, Pepperl+Fuchs ICE2-8IOL-K45P-RJ45, Pepperl+Fuchs ICE2-8IOL-K45S-RJ45 or one of the others listed 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

The vulnerability is an OS command injection (CWE-78) in the IODD file processing logic that fails to properly sanitize user-supplied input. An unauthenticated remote attacker can upload a specially crafted IODD file that embeds shell commands, which are then executed with root-level privileges on the device. The injected shell script persists in the device's filesystem and continues to execute even after reboot, establishing a persistent foothold. No authentication or user interaction is required; the attack is network-accessible and has low attack complexity.

Affected products

  • Pepperl+Fuchs ICE2-8IOL-G65L-V1D <1.7.4
  • Pepperl+Fuchs ICE2-8IOL-K45P-RJ45 <1.7.4
  • Pepperl+Fuchs ICE2-8IOL-K45S-RJ45 <1.7.4
  • Pepperl+Fuchs ICE2-8IOL1-G65L-V1D <1.7.4
  • Pepperl+Fuchs ICE3-8IOL-G65L-V1D <1.7.4
  • Pepperl+Fuchs ICE3-8IOL-G65L-V1D-Y <1.7.4
  • Pepperl+Fuchs ICE3-8IOL-K45P-RJ45 <1.7.4
  • Pepperl+Fuchs ICE3-8IOL-K45S-RJ45 <1.7.4
  • Pepperl+Fuchs ICE3-8IOL1-G65L-V1D <1.7.4

Timeline

  • 2026-09-16: disclosed

References

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