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The vulnerability of Fortinet FortiOS operating systems arises from operations beyond the buffer in memory, allowing attackers to execute arbitrary code.
🗓️ 01 Dec 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 1 Views
| Reporter | Title | Published | Views | Family All 12 |
|---|---|---|---|---|
 | CVE-2025-53843 | 20 Nov 202521:35 | – | circl |
 | Fortinet FortiOS 安全漏洞 | 18 Nov 202500:00 | – | cnnvd |
 | CVE-2025-53843 | 18 Nov 202517:01 | – | cve |
 | CVE-2025-53843 | 18 Nov 202517:01 | – | cvelist |
 | EUVD-2025-198006 | 18 Nov 202517:01 | – | euvd |
 | Fortinet Fortigate Stack buffer overflow in CAPWAP daemon (FG-IR-25-358) | 18 Nov 202500:00 | – | nessus |
 | Vulnerabilities fixed in Fortinet FortiOS | 19 Nov 202508:35 | – | ncsc |
 | CVE-2025-53843 | 18 Nov 202517:16 | – | nvd |
 | CVE-2025-53843 | 18 Nov 202517:16 | – | osv |
 | PT-2025-47356 | 18 Nov 202500:00 | – | ptsecurity |
10
| Source | Link |
|---|---|
| fortiguard | www.fortiguard.fortinet.com/psirt/FG-IR-25-358 |
| web | www.web.nvd.nist.gov/view/vuln/detail |
| fortiguard | www.fortiguard.com/psirt/FG-IR-25-358 |
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01 Dec 2025 00:00Current
6.3Medium risk
Vulners AI Score6.3
CVSS 27.1
CVSS 37.5
EPSS0.0056