Instar 4k vulnerabilities

• instar 2k+, 4k +1 more INSTAR 2K+/4K Backend IPC Server denial of service CVE-2025-8761 8.7 HighAugust 13, 2025
• instar 2k+, 4k +1 more INSTAR 2K+/4K UART improper physical access control CVE-2025-8762 7.0 HighAugust 13, 2025
• instar 2k+, 4k +1 more INSTAR 2K+/4K fcgi_server base64_decode buffer overflow CVE-2025-8760 Public exploit 9.3 CriticalAugust 13, 2025