Vulnerability in Phoenix Contact ProConOs

[ Why it matters ]Priority signals

• EPSS: 81% chance of exploitation in the next 30 days (higher than 100% of CVEs)
• Critical severity: CVSS 10.0

[ Description ]Official description

Phoenix Contact ProConOs and MultiProg do not require authentication, which allows remote attackers to execute arbitrary commands via protocol-compliant traffic.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• BSI CERT-Bund29 Sep 2026WID-SEC-2026-3658

  Hitachi Energy RTU500: Multiple vulnerabilities Translated from German

  CVE-2023-46143CVE-2010-2965CVE-2026-8065+3 more CVEs

[ References ]References

• www.cisa.gov/news-events/ics-advisories/icsa-15-013-03
• www.exploit-db.com/exploits/37066exploitx_refsource_EXPLOIT-DB