PT-2026-58054 · Fortinet · Fortiauthenticator

Published 2026-07-14 · Updated 2026-07-14 · CVE-2025-53379

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 FortiAuthenticator versions 6.6.0 through 6.6.2 FortiAuthenticator versions 6.5.x

Description An out-of-bounds read issue allows a remote unauthenticated attacker to retrieve sensitive information by sending a specially crafted request. An out-of-bounds read occurs when the software reads data past the end of the intended buffer, potentially exposing memory contents.

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

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2025-53379

Affected Products

Fortiauthenticator

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2025-53379 · Security Note
• https://fortiguard.fortinet.com/psirt/FG-IR-26-146 · Note
• https://twitter.com/KaitanSecurity/status/2077068148797255948 · Twitter Post