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Case File

CVE-2020-25112

CRITICAL · CVSS 9.8 EPSS 26.83% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-12-11 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references. Its EPSS score suggests a 26.8% probability of exploitation in the next 30 days. It may be remotely exploitable. It may lead to a denial-of-service condition.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
remote code execution code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2020-25112
Severity
CRITICAL
CVSS
9.8
EPSS
26.83%

Original NVD Description

An issue was discovered in the IPv6 stack in Contiki through 3.0. There are inconsistent checks for IPv6 header extension lengths. This leads to Denial-of-Service and potential Remote Code Execution via a crafted ICMPv6 echo packet.

Related CVEs

Other vulnerabilities affecting the same vendor(s)