CVE-2026-120596

A remotely exploitable denial-of-service vulnerability exists in the TCP options parser of the Nut/Net TCP/IP stack included in Nut/OS, developed by Ethernut/Egnite. Nut/OS releases up to version 5.1 are affected. An unauthenticated attacker can send a single TCP segment containing an unknown TCP...

CVE-2026-120596 CVE-2026-120596

A remotely exploitable denial-of-service vulnerability exists in the TCP options parser of the Nut/Net TCP/IP stack included in Nut/OS, developed by Ethernut/Egnite. Nut/OS releases up to version 5.1 are affected. An unauthenticated attacker can send a single TCP segment containing an unknown TCP...

CVE-2026-120596

A remotely exploitable denial-of-service (DoS) vulnerability exists in the Nut/Net TCP/IP stack within Nut/OS (developed by Ethernut/Egnite), affecting releases up to version 5.1 . An unauthenticated attacker can send a single TCP segment containing an unknown TCP option with a length byte of zer...

EUVD-2026-115333

A remotely exploitable denial-of-service vulnerability exists in the TCP options parser of the Nut/Net TCP/IP stack included in Nut/OS, developed by Ethernut/Egnite. Nut/OS releases up to version 5.1 are affected. An unauthenticated attacker can send a single TCP segment containing an unknown TCP...

CVE-2026-120596 CVE-2026-120596

A remotely exploitable denial-of-service vulnerability exists in the TCP options parser of the Nut/Net TCP/IP stack included in Nut/OS, developed by Ethernut/Egnite. Nut/OS releases up to version 5.1 are affected. An unauthenticated attacker can send a single TCP segment containing an unknown TCP...

CVE-2026-120596: Ethernut / egnite GmbH Nut/Net TCP/IP Stack: A remotely exploitable denial-of-service vulnerability exists in the TCP options parser of the Nut/Net TCP/IP stack…

A remotely exploitable denial-of-service vulnerability exists in the TCP options parser of the Nut/Net TCP/IP stack included in Nut/OS, developed by Ethernut/Egnite. Nut/OS releases up to version 5.1 are affected. An unauthenticated attacker can send a single TCP segment containing an unknown TCP...

PT-2026-135540

A remotely exploitable denial-of-service vulnerability exists in the TCP options parser of the Nut/Net TCP/IP stack included in Nut/OS, developed by Ethernut/Egnite. Nut/OS releases up to version 5.1 are affected. An unauthenticated attacker can send a single TCP segment containing an unknown TCP...

Nut/Net TCP/IP Stack - HTTP Detection

Binary data nutnettcpipstackhttpdetect.nbin...

Multiple Embedded TCP/IP Stacks (Update B)

1. EXECUTIVE SUMMARY CVSS v3 7.5 ATTENTION: Exploitable remotely/low attack complexity Vendor: Multiple Equipment: Nut/Net, CycloneTCP, NDKTCPIP, FNET, uIP-Contiki-OS, uC/TCP-IP, uIP-Contiki-NG, uIP, picoTCP-NG, picoTCP, MPLAB Net, Nucleus NET, Nucleus ReadyStart Vulnerabilities: Use of...