CVE-2025-56234

CVE-2025-56234 affects Nanda Automation Technology’s AT NA2000 PLC. The root cause is improper handling of TCP RST packets, accepting a broad range of sequence numbers within the receive window rather than requiring an exact match (RFC 5961). This enables an attacker to send numerous random TCP R...

Cisco Secure PIX Firewall TCP Reset Vulnerability

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Cisco Security Advisory: Cisco Secure PIX Firewall TCP Reset Vulnerability

-----BEGIN PGP SIGNED MESSAGE----- Cisco Secure PIX Firewall TCP Reset Vulnerability Revision 1.0 For Public Release 2000 July 11 06:00 US/Eastern UTC+0400 ------------------------------------------------------------------------ Summary ======= The Cisco Secure PIX Firewall cannot distinguish...