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cve-2025-15467

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    ABB AC500 V3 Critical Stack Overflow (CVE-2025-15467): Firmware 3.9.0 HF1 Fix

    ABB’s AC500 V3 PLC line has a critical stack buffer overflow in its Cryptographic Message Syntax parsing path, disclosed by ABB on March 12, 2026 and republished by CISA on May 12, 2026, affecting AC500 V3 PM5xxx firmware 3.9.0 and 3.9.0_HF1. The fix is AC500 V3 firmware 3.9.0 HF1, but the...
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    • abb ac500 v3 cve-2025-15467 ics patch management plc cybersecurity
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