No exploitation reported

CVE-2025-64153

No exploitation reported by the sources we read.

Published2025-12-09
WeaknessCWE-78

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiExtender 7.6.0 through 7.6.3, FortiExtender 7.4.0 through 7.4.7, FortiExtender 7.2 all versions, FortiExtender 7.0 all versions may allow an authenticated attacker to execute unauthorized code or commands via a specific HTTP request.

Timeline

dates in UTC

2025-12-0918:16CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2025-64153?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2025-64153?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Fortinet fortiextender firmwareversion to verify

Branch	Affected	Fixed in	Source
7.0	≥ 7.0.0, ≤ 7.0.4	no fix published	NVD
7.2	≥ 7.2.0, ≤ 7.2.5	no fix published	NVD
7.4	≥ 7.4.0, ≤ 7.4.7	no fix published	NVD
7.6	≥ 7.6.0, ≤ 7.6.3	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

fortiguard.fortinet.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2025-12-09
OpenCVESSVC decisionnone—
CNACVSS 3.17.2read 2026-10-23
NVDCVSS 3.17.2read 2026-10-23
CNAweakness (CWE)CWE-78read 2026-10-23
FIRST EPSSEPSS score1.7 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published: 2025-12-09
Last Modified: 2026-10-14
NVD status: Analyzed

Frequently asked questions

What is CVE-2025-64153?

Is CVE-2025-64153 actively exploited?

Active exploitation of CVE-2025-64153 has not been confirmed. Its EPSS score was 1.7% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-64153?

CVE-2025-64153 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

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