FG-IR-25-934: SSL-VPN Symlink Persistence Patch Bypass

Published Feb 10, 2026
·
Updated

An Exposure of Sensitive Information to an Unauthorized Actor vulnerability [CWE-200] in FortiOS SSL-VPN may allow a remote unauthenticated attacker to bypass the patch developed for the symbolic link persistency mechanism observed in some post-exploit cases, via crafted HTTP requests. An attacker would need first to have compromised the product via another vulnerability, at filesystem level.

Affected Software

5 affected componentsFixes available
Fortinet FortiOS>=7.6.0<=7.6.1
Fortinet FortiOS>=7.4.0<=7.4.6
Fortinet FortiOS>=7.2
Fortinet FortiOS>=7.0
Fortinet FortiOS>=6.4

Event History

Feb 10, 2026
Advisory Published
via FortiGuard·12:00 AM
Data Sourced
via FortiGuard·12:00 AM
DescriptionSeverityWeaknessAffected Software
Mar 11, 2026
Advisory Published
via FortiGuard·11:16 PM
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Frequently Asked Questions

1

What is the severity of FG-IR-25-934?

The severity of FG-IR-25-934 is classified as high due to the potential for unauthorized access to sensitive information.

2

How do I fix FG-IR-25-934?

To fix FG-IR-25-934, upgrade to FortiOS version 7.6.2 or 7.4.7 depending on your currently installed version.

3

Who is affected by FG-IR-25-934?

FG-IR-25-934 affects multiple versions of FortiOS, specifically versions 6.4 and earlier, and certain 7.x versions before the patch.

4

What does FG-IR-25-934 expose?

FG-IR-25-934 exposes sensitive information to unauthorized actors due to a vulnerability in the SSL-VPN patch.

5

Can FG-IR-25-934 be exploited remotely?

Yes, FG-IR-25-934 can be exploited remotely by an unauthenticated attacker.

Contact

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