CVE-2026-22904

CRITICAL
2026-02-09 [email protected]
9.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Feb 09, 2026 - 08:16 nvd
CRITICAL 9.8

Tags

RCE Buffer Overflow

Description

Improper length handling when parsing multiple cookie fields (including TRACKID) allows an unauthenticated remote attacker to send oversized cookie values and trigger a stack buffer overflow, resulting in a denial‑of‑service condition and possible remote code execution.

Analysis

A device has a stack-based buffer overflow in cookie parsing (including TRACKID) enabling unauthenticated remote code execution.

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Remediation

Within 24 hours: Identify all affected systems and assess internet exposure; activate WAF rules to block oversized cookie values; establish incident response readiness. Within 7 days: Implement network segmentation to isolate critical systems; deploy monitoring for suspicious cookie patterns; document baseline traffic for anomaly detection. …

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Priority Score

49
Low Medium High Critical
KEV: 0
EPSS: +0.2
CVSS: +49
POC: 0

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CVE-2026-22904 vulnerability details – vuln.today
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