{"id":"CVE-2025-25249","aliases":["EUVD-2026-2223","GHSA-mj8x-m8f5-x4w8"],"status":"published","title":"A heap-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0...","description":"A heap-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0.0 through 7.0.17, FortiOS 6.4 all versions, FortiSwitchManager 7.2.0 through 7.2.6, FortiSwitchManager 7.0.0 through 7.0.5 allows attacker to execute unauthorized code or commands via specially crafted packets","severity":{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:W/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.03742,"percentile":0.89947,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":false,"fix_available":false},"cwes":["CWE-122","CWE-787"],"published":"2026-01-13T16:32:35Z","modified":"2026-10-15T01:05:48Z","kev":{"date_added":"2026-09-09","due_date":"2026-09-12","required_action":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2026-09-09"},{"source":"kev","since":"2026-09-09"}],"products":[{"vendor":"fortinet","product":"fortios"},{"vendor":"fortinet","product":"fortisase"},{"vendor":"fortinet","product":"fortiswitchmanager"},{"vendor":"fortinet","product":"multiple products"},{"vendor":"siemens","product":"ruggedcom ape1808"},{"vendor":"siemens","product":"ruggedcom_ape1808_firmware"}],"references":[{"url":"https://fortiguard.fortinet.com/psirt/FG-IR-25-084","tags":["Mitigation","Vendor Advisory"]},{"url":"https://socradar.io/blog/cve-2025-25249-pivotc2-fortigate-rat/","tags":["third-party-advisory","Exploit","Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-25249","tags":["government-resource","US Government Resource"]},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-864900.html","tags":["Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-25249"},{"url":"https://socradar.io/blog/cve-2025-25249-pivotc2-fortigate-rat"},{"url":"https://github.com/advisories/GHSA-mj8x-m8f5-x4w8"}],"sources":{"cve":[{"id":"CVE-2025-25249","description":"A heap-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0.0 through 7.0.17, FortiOS 6.4 all versions, FortiSwitchManager 7.2.0 through 7.2.6, FortiSwitchManager 7.0.0 through 7.0.5 allows attacker to execute unauthorized code or commands via specially crafted packets","status":"published","published":"2026-01-13T16:32:35.662Z","modified":"2026-10-15T01:05:48.869Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:W/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:32:31.971896Z"}],"euvd":[{"id":"EUVD-2026-2223","description":"A heap-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0.0 through 7.0.17, FortiOS 6.4 all versions, FortiSwitchManager 7.2.0 through 7.2.6, FortiSwitchManager 7.0.0 through 7.0.5 allows attacker to execute unauthorized code or commands via specially crafted packets","status":"published","published":"2026-01-13T16:32:35Z","modified":"2026-10-15T01:05:48Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:W/RC:C","level":"high"}],"exploited_since":"2026-09-09","updated_at":"2026-11-02T17:27:07.544788Z"}],"ghsa":[{"id":"GHSA-mj8x-m8f5-x4w8","title":"A heap-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0...","description":"A heap-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0.0 through 7.0.17, FortiOS 6.4.0 through 6.4.16, FortiSASE 25.2.b, FortiSASE 25.1.a.2, FortiSwitchManager 7.2.0 through 7.2.6, FortiSwitchManager 7.0.0 through 7.0.5 allows attacker to execute unauthorized code or commands via specially crafted packets","status":"published","published":"2026-01-13T18:31:07Z","modified":"2026-09-09T21:30:27Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T15:11:40.005602Z"}],"kev":[{"id":"CVE-2025-25249","title":"Fortinet Multiple Products Heap-based Buffer Overflow Vulnerability","description":"Fortinet FortiOS, FortiSwitchManager, and FortiSASE contain a heap-based buffer overflow vulnerability that allows an attacker to execute unauthorized code or commands via specially crafted packets.","cwes":["CWE-122","CWE-787"],"kev":{"date_added":"2026-09-09","due_date":"2026-09-12","required_action":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:15.999436Z"}],"nvd":[{"id":"CVE-2025-25249","description":"A heap-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0.0 through 7.0.17, FortiOS 6.4 all versions, FortiSwitchManager 7.2.0 through 7.2.6, FortiSwitchManager 7.0.0 through 7.0.5 allows attacker to execute unauthorized code or commands via specially crafted packets","status":"published","published":"2026-01-13T17:15:56.91Z","modified":"2026-10-07T18:17:13.18Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T14:11:56.616231Z"}]}}