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THREAT OPS › Threat News › ZDI-26-503: (Pwn2Own) Phoenix Contact CHARX SEC-3150 Race Condition Firewall Bypass Vulnerability

ZDI-26-503: (Pwn2Own) Phoenix Contact CHARX SEC-3150 Race Condition Firewall Bypass Vulnerability

medzdi_publishedPublished 2026-07-30

This vulnerability allows network-adjacent attackers to bypass firewall rules on affected installations of Phoenix Contact CHARX SEC-3150 devices. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 6.4. The following CVEs are assigned: CVE-2026-44108.

Indicators of compromise

CVE-2026-44108cve

Original source: http://www.zerodayinitiative.com/advisories/ZDI-26-503/