CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 7.5. See the original NVD description below for full technical details.
CVE
CVE-2021-25663
Severity
HIGH
CVSS
7.5
EPSS
1.88%
Original NVD Description
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 IPv6 headers does not check the lengths of extension header options, allowing attackers to put this function into an infinite loop with crafted length values.
Related CVEs
Other vulnerabilities affecting the same vendor(s)