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What is CVE-2025-58034?
CVE-2025-58034 is an OS command injection vulnerability, classified as CWE-78, in Fortinet FortiWeb. According to the CSA alert, successful exploitation could allow an authenticated attacker to execute arbitrary code using crafted HTTP requests or CLI commands. The alert does not describe the vulnerability as unauthenticated.
Is CVE-2025-58034 being exploited?
Yes. The CSA said on 21 November 2025 that exploitation was reportedly occurring in the wild. The alert page was last updated on 23 September 2026, but the exploitation statement is a dated report; it does not provide a current attack rate, victim count, or confirmation of ongoing activity on that later update date.
Which FortiWeb versions are affected?
The CSA lists these affected ranges:
| FortiWeb branch | Affected versions listed by CSA |
|---|---|
| 8.0 | 8.0.0 through 8.0.1 |
| 7.6 | 7.6.0 through 7.6.5 |
| 7.4 | 7.4.0 through 7.4.10 |
| 7.2 | 7.2.0 through 7.2.11 |
| 7.0 | 7.0.0 through 7.0.11 |
These ranges are those stated in the CSA alert. It does not include a table of fixed versions, so do not assume that a particular higher release is the correct target without checking Fortinet’s current CVE-specific advisory.
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- Manufacturer Part: FC-10-VMC02-137-02-12
- 1 Year Web Security
- New/Renewal License for FortiWeb-VMC02
- The license contract is delivered via e-mail within 1-2 business days
- Fortinet designed support and subscriptions to be continuous. When a customer does not renew by the expiration date, then a lapse in the service period occurs
How should administrators respond?
- Inventory the deployment. Identify each FortiWeb appliance or instance and record its installed branch and version using your organization’s established administration process.
- Compare versions with the affected ranges. Any installation within a listed range should be treated as affected for this alert.
- Check Fortinet’s current guidance. Consult the CSA advisory and follow its link to Fortinet PSIRT for the current branch-specific fixed release and supported upgrade path. The CSA recommends updating affected versions immediately but does not specify exact target versions.
- Upgrade using the supported path. Confirm the target release and any intermediate upgrade requirements in Fortinet’s guidance before applying an update. The available alert does not provide upgrade commands or a branch-by-branch target table.
If you suspect that an affected system was compromised, handle that as an incident as well as a patching task: involve your security team or incident-response provider to assess the system. An update addresses the vulnerable software but does not establish whether earlier exploitation occurred.
What is not established by the alert?
The CSA alert supplies affected-version ranges and a qualitative, dated exploitation report. It does not provide a measured attack count, current indicators of compromise, detailed exploit mechanics, or exact fixed releases. A separate New York State Office of Information Technology Services notice also reports Fortinet’s awareness of exploitation, but its publication date was not established: Multiple Vulnerabilities in Fortinet Products Could Allow for Arbitrary Code Execution.
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- Fortinet designed support and subscriptions to be continuous. When a customer does not renew by the expiration date, then a lapse in the service period occurs
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