Patchfirst
CVE-2025-25256 Public exploit Critical · 9.8 EPSS 65.3%

An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78]…

Fortinet · FortiSIEM

Summary

An OS command injection flaw (CWE-78) in the CLI of Fortinet FortiSIEM, affecting many release lines from 4.7 through 7.3.1. An unauthenticated attacker can execute unauthorized code or commands by sending crafted CLI requests, with no user interaction required and no prior authentication needed over the network.

Official description · CVE.org

An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] vulnerability in Fortinet FortiSIEM 7.3.0 through 7.3.1, FortiSIEM 7.2.0 through 7.2.5, FortiSIEM 7.1.0 through 7.1.7, FortiSIEM 7.0.0 through 7.0.3, FortiSIEM 6.7.0 through 6.7.9, FortiSIEM 6.6 all versions, FortiSIEM 6.5 all versions, FortiSIEM 6.4 all versions, FortiSIEM 6.3 all versions, FortiSIEM 6.2 all versions, FortiSIEM 6.1 all versions, FortiSIEM 5.4 all versions, FortiSIEM 5.3 all versions, FortiSIEM 5.2 all versions, FortiSIEM 5.1 all versions, FortiSIEM 5.0 all versions, FortiSIEM 4.10 all versions, FortiSIEM 4.9 all versions, FortiSIEM 4.7 all versions allows an unauthenticated attacker to execute unauthorized code or commands via crafted CLI requests.

Breakdown
69.1 / 100
Exploited
Yes, in VulnCheck KEV
Reports
0
Tactics
0/15

First seen exploited the day it was disclosed. Public exploit code (PoC-in-GitHub) appeared 3 days after disclosure.

  1. DisclosedFirst seen exploitedVulnCheck KEV evidenceday 0
  2. Public exploit codePoC-in-GitHub+3 days

techniques

No techniques linked

No ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.

What security researchers reported

Not named in any threat report yet

Also mentioned in 10 community threat pulses (AlienVault OTX)

Weaker evidence

Pulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.

References

4 links, grouped by NVD tag
↑ ↓ chooseEnter openEsc close