CVE-2025-69809CRITICAL 9.8EPSS p40.3%

CVE-2025-69809CVE-2025-69809

Description

A write-what-where condition in p2r3 Bareiron commit 8e4d40 allows unauthenticated attackers to write arbitrary values to memory, enabling arbitrary code execution via a crafted packet.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.53% probability of exploitation · percentile 40.3% · 2026-06-19T12:03:05Z
Published2026-03-16
Last modified2026-04-27

Underlying weaknesses· 1

CWE-123

References

  1. https://github.com/p2r3/bareiron
  2. https://github.com/vmpr0be/bareiron-vr/blob/main/CVE-2025-69809.md

1

TypeTargetConfidenceTier
WeaknessWrite-what-where Conditioncwe-1230%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.