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HomeCVEsCVE-2025-25256

CVE-2025-25256

Published: January 26, 2026
Last updated:11 hours ago (January 26, 2026)
Exploit: YesZero-day: YesPatch: YesTrend: Neutral
TL;DR
Updated January 26, 2026

CVE-2025-25256 is a critical severity vulnerability with a CVSS score of 9.8. Exploits are available; patches have been released and should be applied urgently. This is classified as a zero-day vulnerability.

Key Points
  • 1Critical severity (CVSS 9.8/10)
  • 2EPSS: 40.00% - high likelihood of exploitation
  • 3Public exploits are available
  • 4Vendor patches are available
  • 5Strobes Priority Score: 999/1000 (Critical)
  • 6Affects products from: Fortinet
Severity Scores
CVSS v39.8
CVSS v20.0
Priority Score999.0
EPSS Score40.0
Critical
Exploitation LikelihoodHigh
40.00%EPSS

High probability of exploitation in the next 30 days

Prioritize patching within days
40.00%
EPSS
9.8
CVSS
Yes
Exploit
Yes
Patch
Critical Priority
high EPSS • exploit exists • critical severity • high priority

EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.

Description

An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] in Fortinet FortiSIEM version 7.3.0 through 7.3.1, 7.2.0 through 7.2.5, 7.1.0 through 7.1.7, 7.0.0 through 7.0.3 and before 6.7.9 allows an unauthenticated attacker to execute unauthorized code or commands via crafted CLI requests.

CVSS v3 Breakdown
Attack Vector:Network
Attack Complexity:Local
Privileges Required:Network
User Interaction:Network
Scope:Unchanged
Confidentiality:High
Integrity:High
Availability:High
Exploit References
GitHubNuclei
Patch References
[email protected]Zeroday CZ
Trend Analysis
Neutral
Vulnerable Products
VendorProduct
FortinetFortisiem
Advisories
GitHub AdvisoryNVD
Cite This Page
APA Format
Strobes VI. (2026). CVE-2025-25256 - CVE Details and Analysis. Strobes VI. Retrieved January 26, 2026, from https://vi.strobes.co/cve/CVE-2025-25256
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