Write-What-Where Vulnerability in p2r3 Bareiron Software
CVE-2025-69809

9.8CRITICAL

Key Information:

Vendor

p2r3

Status
Bareiron
Vendor
CVE Published:
16 March 2026

What is CVE-2025-69809?

A vulnerability exists in p2r3's Bareiron software that allows attackers to exploit a write-what-where condition. This flaw enables unauthenticated individuals to write arbitrary values into memory, potentially leading to arbitrary code execution when a specially crafted packet is processed. Such vulnerabilities pose significant risks to software integrity and system security, making prompt remediation essential.

References

https://github.com/p2r3/bareiron
https://github.com/vmpr0be/bareiron-vr/blob/main/CVE-2025...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.