https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-06T19:45:40.365519+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/cve-2021-25664 CVE-2021-25664 2026-10-06T19:45:40.382298+00:00

Affected: Siemens Capital Embedded AR Classic 431-422, Siemens Capital Embedded AR Classic R20-11, Siemens Nucleus NET, Siemens Nucleus ReadyStart V3, Siemens Nucleus ReadyStart V4, Siemens Nucleus Source Code

A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus ReadyStart V4 (All versions < V4.1.0), Nucleus Source Code (All versions including affected IPv6 stack). The function that processes the Hop-by-Hop extension header in IPv6 packets and its options lacks any checks against the length field of the header, allowing attackers to put the function into an infinite loop by supplying arbitrary length values.