PT-2026-21240 · Unknown · Wi-Fi Router

Abhishek Pandey + 1 · Published 2026-02-20 · Updated 2026-02-20 · CVE-2026-26048

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Wi-Fi router (affected versions not specified)

Description The Wi-Fi router is susceptible to de-authentication attacks because of missing management frame protection. This allows attackers to broadcast fabricated deauthentication and disassociation frames without authentication or encryption. Exploitation can lead to unauthorized disruptions and denial-of-service conditions.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Missing Authentication

Weakness Enumeration

CWE-306

Related Identifiers

CVE-2026-26048

Affected Products

Wi-Fi Router

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-26048 · Security Note
• https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-050-03.json · Note
• https://cisa.gov/news-events/ics-advisories/icsa-26-050-03 · Note
• https://twitter.com/CVEnew/status/2024988802192932983 · Twitter Post