CVE-2025-8760 – INSTAR fcgi_server Buffer Overflow Vulnerability

CVE ID : CVE-2025-8760

Published : Aug. 13, 2025, 7:15 a.m. | 31 minutes ago

Description : A vulnerability was identified in INSTAR 2K+ and 4K 3.11.1 Build 1124. This affects the function base64_decode of the component fcgi_server. The manipulation of the argument Authorization leads to buffer overflow. It is possible to initiate the attack remotely.

Severity: 9.8 | CRITICAL

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