SB2026011402 - Missing authorization in FortiFone 



SB2026011402 - Missing authorization in FortiFone

Published: January 14, 2026

Security Bulletin ID SB2026011402
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Missing authorization (CVE-ID: CVE-2025-47855)

The vulnerability allows a remote attacker to compromise the affected device.

The vulnerability exists due to missing authorization checks in FortiFone Web Portal page. A remote non-authenticated attacker can obtain the device configuration via a specially crafted HTTP request and compromise the affected device. 


Remediation

Install update from vendor's website.