Description:
Fortinet released security advisories to address multiple vulnerabilities in Fortinet systems. An attacker could exploit these vulnerabilities by sending specially crafted requests to an affected system.
Reports indicated that an information disclosure vulnerability (CVE-2025-68686) is being exploited in the wild. Users are advised to take immediate action to patch your affected systems to mitigate the elevated risk of cyber attacks.
Affected Systems:
- FortiAuthenticator version 6.3 (all versions), version 6.4 (all versions), version 6.5 (all versions), version 6.6.0 through 6.6.6
- FortiClientWindows version 7.0 (all versions), version 7.2.0 through 7.2.12, version 7.4.0 through 7.4.4
- FortiOS version 6.4 (all versions), version 7.0 (all versions), version 7.2 (all versions), version 7.4.0 through 7.4.9, version 7.6.0 through 7.6.4
- FortiSandbox version 4.0 (all versions), version 4.2 (all versions), version 4.4.0 through 4.4.7, version 5.0.0 through 5.0.1
For detailed information of the affected products, please refer to the section 'Affected Products' of corresponding security advisory at vendor's website.
Impact:
Successful exploitation of the vulnerabilities could lead to remote code execution, elevation of privilege, information disclosure, security restriction bypass or tampering on an affected system.
Recommendation:
Patches for affected systems are available. System administrators of affected systems should follow the recommendations provided by the vendor and take immediate actions to mitigate the risk.
More Information:
- https://fortiguard.fortinet.com/psirt/FG-IR-25-093
- https://fortiguard.fortinet.com/psirt/FG-IR-25-384
- https://fortiguard.fortinet.com/psirt/FG-IR-25-528
- https://fortiguard.fortinet.com/psirt/FG-IR-25-661
- https://fortiguard.fortinet.com/psirt/FG-IR-25-667
- https://fortiguard.fortinet.com/psirt/FG-IR-25-795
- https://fortiguard.fortinet.com/psirt/FG-IR-25-934
- https://fortiguard.fortinet.com/psirt/FG-IR-25-1052
- https://www.hkcert.org/security-bulletin/fortinet-products-multiple-vulnerabilities_20260211
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-52436
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-55018
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-62439
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-62676
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-64157
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-68686
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-21743
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-22153
