PT-2026-23411 · Cisco · Cisco

Published 2026-03-05 · Updated 2026-03-05 · CVE-2026-28536

Positive Technologies (AI Summary)

CVSS v3.1

9.6

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Cisco (affected versions not specified)

Description An authentication bypass issue exists in the device authentication module. Successful exploitation can compromise the integrity and confidentiality of the system. Approximately 1.5 million devices worldwide are potentially affected. The issue allows bypassing authentication mechanisms, potentially granting unauthorized access.

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

Weakness Enumeration

CWE-305

Related Identifiers

CVE-2026-28536

Affected Products

Cisco

References · 11

• https://nvd.nist.gov/vuln/detail/CVE-2026-28536 · Security Note
• https://consumer.huawei.com/en/support/bulletin/2026/3 · Vendor Advisory
• https://consumer.huawei.com/en/support/bulletinlaptops/2026/3 · Vendor Advisory
• https://consumer.huawei.com/en/support/bulletinvision/2026/3 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-28536 · Vendor Advisory
• https://twitter.com/TheHackerWire/status/2029467134745821318 · Twitter Post
• https://twitter.com/CveFindCom/status/2029462294644535538 · Twitter Post
• https://t.me/CVEtracker/46417 · Telegram Post
• https://twitter.com/cyberbivash/status/2029475390243147877 · Twitter Post
• https://twitter.com/AIengineerlife/status/2029573914784047116 · Twitter Post
• https://t.me/cveNotify/154279 · Telegram Post