Fast - Fac1203r Gigabit Edition - CRITICAL - CVE-2026-96257. A vulnerability exists in the Fast FAC1203R Gigabit Edition 2.0.4, specifically within the 'copy_msg_element' function of the Device Discovery Service. This flaw allows attackers to manipulate the functionality, potentially leading to a stack-based buffer overflow. The vulnerability can be exploited remotely, posing significant risks to users and their systems. The vendor was notified of this issue; however, they have not responded to the disclosure. BADGES: 👾 EXPLOITED | 🟡 PoC | SecurityVulnerability.io