CISA has published an advisory on an improper access control vulnerability in Allen-Bradley Stratix 5950. Versions 1783-SAD4T0SBK9, 1783-SAD4T0SPK9, 1783-SAD2T2SBK9, and 1783-SAD2T2SPK9 are affected. Successful exploitation of this vulnerability could allow an attacker to write a modified image to the component. Rockwell Automation recommends users update to firmware version FRN v6.4.0 , which addresses the reported vulnerability. It has also provided a series of general security guidelines. CISA also recommends a series of measures to mitigate the vulnerabilities. Read the advisory at CISA.