【Vulnerability Alert】A Critical Security Vulnerability Has Been Identified in Fortinet FortiFone Web Portal (CVE-2025-47855)

publish date : 2026-01-23 update date : 2026-01-23

Source: Ministry of education information & communication security contingency platform

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Publication Number TACERT-ANA-2026011501013030 Publication Time 2026/01/15 13:34
Incident Type ANA-Vulnerability Alert Discovery Time
Impact Level Low  
[Subject]
【Vulnerability Alert】A Critical Security Vulnerability Has Been Identified in Fortinet FortiFone Web Portal (CVE-2025-47855)
[Content]
Forwarded from TWCERTCC-200-202601-00000009

FortiFone Web Portal is the centralized management interface of the Fortinet FortiVoice system, used for remotely configuring phone extensions and monitoring call records and system performance. Recently, Fortinet released a critical security advisory indicating that this vulnerability (CVE-2025-47855, CVSS: 9.8) may allow unauthenticated attackers to obtain device configuration data through specially crafted HTTP or HTTPS requests, thereby gaining access to sensitive information.

(Information Sharing Level: WHITE (Information content can be publicly disclosed)

[Affected Platform]
FortiFone versions 3.0.13 through 3.0.23

FortiFone versions 7.0.0 through 7.0.1

[Recommended Actions]
Please update to the following versions:

FortiFone version 3.0.24 or later

FortiFone version 7.0.2 or later
[Reference]
https://www.twcert.org.tw/tw/cp-169-10631-ea139-1.html
(This notification is for informational purposes only and does not constitute a cybersecurity incident).
If you have questions or suggestions regarding this notification, please feel free to contact us.
Ministry of education information & communication security contingency platform
Website: https://info.cert.tanet.edu.tw/
Phone: +886-7-5250211
Internet Phone: 98400000
E-Mail: service@cert.tanet.edu.tw
Organizer: Computer Center