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Over 100 Siemens PLC Models Found Vulnerable to Firmware Takeover

Security researchers have disclosed multiple architectural vulnerabilities in Siemens SIMATIC and SIPLUS S7-1500 programmable logic controllers (PLCs) that could be exploited by a malicious actor to stealthily install firmware on affected devices and take control of them.
Discovered by Red Balloon Security, the issues are tracked as CVE-2022-38773 (CVSS score: 4.6), with the low severity

Source:: The Hackers News