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CVE-2026-26048

HIGH
Missing Authentication for Critical Function (CWE-306)
2026-02-20 ics-cert@hq.dhs.gov
7.5
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 22:04 vuln.today
CVE Published
Feb 20, 2026 - 17:25 nvd
HIGH 7.5

DescriptionCVE.org

The Wi-Fi router is vulnerable to de-authentication attacks due to the absence of management frame protection, allowing forged deauthentication and disassociation frames to be broadcast without authentication or encryption. An attacker can use this to cause unauthorized disruptions and create a denial-of-service condition.

AnalysisAI

Wi-Fi routers lacking management frame protection are susceptible to forged deauthentication and disassociation attacks, enabling unauthenticated remote attackers to disconnect legitimate users and disrupt network availability. This vulnerability allows attackers to broadcast spoofed wireless management frames without credentials, creating denial-of-service conditions affecting all connected devices. No patch is currently available for this high-severity issue.

Technical ContextAI

Classified as CWE-306 (Missing Authentication for Critical Function). The Wi-Fi router is vulnerable to de-authentication attacks due to the absence of management frame protection, allowing forged deauthentication and disassociation frames to be broadcast without authentication or encryption. An attacker can use this to cause unauthorized disruptions and create a denial-of-service condition.

Affected ProductsAI

The Wi-Fi router is vulnerable to de-authentication attacks due to the absence of management frame protection, allowing forged deauthentication and

RemediationAI

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

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CVE-2026-26048 vulnerability details – vuln.today

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