Full Report
Multiple vulnerabilities have been discovered in Fortinet products, the most severe of which could allow for arbitrary code execution. FortiClient for Windows is a unified endpoint security solution that provides a range of security features, including a VPN client for secure remote access to corporate networks, antivirus protection, web filtering, and vulnerability assessment.FortiExtender is a device from Fortinet that provides secure 5G/LTE and Ethernet connectivity to extend a network's edge.FortiMail is a secure email gateway from Fortinet that protects against email-borne threats like spam, phishing, and malware, and prevents data loss. FortiPAM provides privileged account management, session monitoring and management, and role-based access control to secure access to sensitive assets and mitigate data breaches.FortiSandbox is an advanced threat detection solution from Fortinet that uses sandboxing to analyze suspicious files and network traffic for advanced threats like zero-day malware and ransomware.FortiADC is an application delivery controller (ADC) that improves the availability, performance, and security of web applications. FortiWeb is a web application firewall (WAF) that protects web applications and APIs from cyberattacks like SQL injection and cross-site scripting, while also helping to meet compliance requirements.FortiVoice is a unified communications solution that combines voice, chat, conferencing, and fax into a single, secure platform for businesses and schools.FortiOS is the Fortinet’s proprietary Operation System which is utilized across multiple product lines.FortiProxy is a secure web gateway product from Fortinet that protects users from internet-borne attacks, enforces compliance, and improves network performance. Successful exploitation of the most severe of these vulnerabilities could allow for arbitrary code execution in the context of the affected service account. Depending on the privileges associated with the service account an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Service accounts that are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.
Analysis Summary
As a vulnerability research specialist, here is the actionable summary of the discovered Fortinet vulnerabilities. Please note that the provided text describes *multiple* flaws, but only one CVE (`CVE-2025-58034`) is explicitly mentioned in relation to in-the-wild exploitation. The technical details for other CVEs are missing from the context, so the summary focuses on the highest-level threat described.
# Vulnerability: Multiple Fortinet Products Affected by Critical Flaws Leading to Arbitrary Code Execution
## CVE Details
- **CVE ID:** CVE-2025-58034 (Mentioned as exploited in the wild)
- **CVSS Score:** Not explicitly provided in the text, but implied to be High/Critical due to Arbitrary Code Execution (ACE).
- **CWE:** Not explicitly provided, but the context relates to "Improper Neutralization of Script- [Incomplete]" suggesting input validation/injection flaws.
## Affected Systems
- **Products:** FortiClient (Windows), FortiExtender, FortiMail, FortiPAM, FortiSandbox, FortiADC, FortiWeb, FortiVoice, FortiOS, FortiProxy.
- **Versions:**
* **FortiClient (Windows):** 7.4.0 - 7.4.3, 7.2.0 - 7.2.10, 7.0 (all versions)
* **FortiExtender:** 7.6.0 - 7.6.1, 7.4.0 - 7.4.6, 7.2 (all versions), 7.0 (all versions)
* **FortiMail:** 7.6.0 - 7.6.3, 7.4.0 - 7.4.5, 7.2 (all versions), 7.0 (all versions)
* **FortiPAM:** 1.6.0, 1.5 (all versions), 1.4 (all versions), 1.3 (all versions), 1.2 (all versions), 1.1 (all versions), 1.0 (all versions)
* **FortiSandbox:** 5.0.0 - 5.0.1, 4.4.0 - 4.4.7, 4.2 (all versions), 4.0 (all versions)
* **FortiADC:** 8.0, 7.6.0 - 7.6.2, 7.4.0 - 7.4.7, 7.2 (all versions), 7.1 (all versions), 7.0 (all versions), 6.2 (all versions)
* **FortiWeb:** 8.0.0 - 8.0.1, 7.6.0 - 7.6.5, 7.4.0 - 7.4.10, 7.2.0 - 7.2.11, 7.0.0 - 7.0.11
* **FortiVoice:** 7.2.0 - 7.2.2, 7.0.0 - 7.0.7
* **FortiOS:** 7.6.0 - 7.6.3, 7.4.0 - 7.4.8, 7.2 (all versions), 7.0 (all versions), 6.4 (all versions), 6.2 (all versions), 6.0 (all versions)
* **FortiProxy:** 7.6.0 - 7.6.3, 7.4 (all versions), 7.2 (all versions), 7.0 (all versions)
- **Configurations:** Vulnerabilities apply across a wide range of product versions, suggesting core component flaws.
## Vulnerability Description
The most severe vulnerabilities discovered across these product lines could lead to **Arbitrary Code Execution (ACE)** in the context of the affected service account. Due to the MITRE technique mapping, the flaw likely involves improper neutralization (e.g., injection or parsing error) targeting a public-facing application (T1190). Successful exploitation allows an attacker to execute code as the service account, leading to potential data modification, data viewing, program installation, or account creation with elevated privileges if the service account is administrative.
## Exploitation
- **Status:** **CVE-2025-58034 has been exploited in the wild.**
- **Complexity:** Likely Medium to High given the potential for remote code execution, but the specific complexity depends on the exact vulnerability, though successful exploitation is confirmed.
- **Attack Vector:** Tied to exploitation of a public-facing application (T1190) under the MITRE tactic Initial Access (TA0001), suggesting **Network** access is probable for the most severe flaw.
## Impact
- **Confidentiality:** High (Attacker can view, change, or delete data).
- **Integrity:** High (Attacker can install programs, change data).
- **Availability:** High (Implied, as execution of code can disrupt services).
## Remediation
### Patches
The provided context *does not list specific fixed versions*. Users must consult the official Fortinet advisories (referenced below) immediately to determine which patch versions resolve the specific CVEs affecting their installed products.
### Workarounds
No specific workarounds were provided in the context summary. Immediate patching is the priority given the in-the-wild exploitation.
## Detection
- **Indicators of Compromise:** Look for abnormal process execution originating from service accounts associated with the affected Fortinet products, unauthorized file modifications, or connections inbound to previously secured endpoints/appliances.
- **Detection Methods and Tools:** Network intrusion detection systems should monitor for unusual traffic patterns targeting the management interfaces of these devices. Endpoint Detection and Response (EDR) solutions should monitor for unexpected process execution spawned by the application/service user context of the affected products.
## References
- Vendor Advisories: MS-ISAC ADVISORY NUMBER: 2025-108
- Relevant links:
- hXXps://portal.cisecurity.org/
- hXXps://www.cisecurity.org/cis-hardened-image-list
- hXXps://www.cisecurity.org/support
- hXXps://workbench.cisecurity.org/
- hXXps://www.cisecurity.org/advisory
- hXXps://attack.mitre.org/tactics/TA0001/
- hXXps://attack.mitre.org/techniques/T1190/