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Fortinet hit again by zero-day vulnerability in FortiWeb

Techzine.Eu • November 20, 2025

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Fortinet is under fire after the discovery of a second zero - day vulnerability in FortiWeb within a week. The company has released an update.

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

FortiWeb WAF Vulnerability Enables Full Admin Control Exploitation A critical vulnerability in FortiWeb Web Application Firewall (WAF) has been actively exploited, allowing attackers to gain full administrative access to affected systems. Organizations using FortiWeb are at risk of total control being seized by malicious actors. The flaw has been confirmed to be exploited in the wild, prompting urgent attention from cybersecurity teams. 100 sources 80

Extracted Entities

Attack Types (1)

Zero-day Exploit

Companies (1)

Vulnerabilities (1)