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CVE-2025-58034: High Vulnerability in Fortinet FortiWeb

CVE-2025-58034 is a high-severity OS Command Injection vulnerability in Fortinet FortiWeb. This flaw could allow authenticated attackers to execute unauthorized commands. Immediate remediation is critical.

HIGHKnown ExploitedCVSS 7.2 · Published November 18, 2025

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CVE-2025-58034 is classified as a high-severity vulnerability with a CVSS score of 7.2. This vulnerability allows an attacker to execute unauthorized code on the underlying system. The root cause is an improper neutralization of special elements used in OS commands, making it susceptible to OS command injection attacks. The affected product is Fortinet's FortiWeb, specifically versions 8.0.0 through 8.0.1, 7.6.0 through 7.6.5, 7.4.0 through 7.4.10, 7.2.0 through 7.2.11, and 7.0.0 through 7.0.11.

The exploitation status is critical, with known exploits available, as indicated by the presence of multiple public proof-of-concept (PoC) repositories on GitHub. Organizations using affected versions should prioritize remediation due to the potential for significant risk to their environments. Attackers may leverage this vulnerability to gain unauthorized access and execute arbitrary code, leading to a compromise of system integrity.

The urgency for defenders is high. Organizations should prioritize patching immediately to mitigate the risk associated with this vulnerability. The potential blast radius from exploitation could lead to severe impacts on confidentiality, integrity, and availability of systems.

Fortinet has acknowledged the vulnerability, and organizations are advised to apply the necessary patches as soon as possible. Following vendor instructions is crucial to ensure systems are protected against potential exploitation.

Vulnerability Details

An Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability [CWE-78] in Fortinet FortiWeb versions 8.0.0 through 8.0.1, 7.6.0 through 7.6.5, 7.4.0 through 7.4.10, 7.2.0 through 7.2.11, and 7.0.0 through 7.0.11 may allow an authenticated attacker to execute unauthorized code on the underlying system via crafted HTTP requests or CLI commands.

The CVSS 3.1 vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H, indicating a network attack vector, low attack complexity, and high privileges required for exploitation. The impacts are significant, with high confidentiality, integrity, and availability impacts.

Technical Analysis

The root cause of this vulnerability lies in insufficient validation of input that can lead to the execution of arbitrary commands on the system. The attack vector is primarily network-based, allowing remote attackers to exploit the flaw via specially crafted requests. The attack complexity is low, and attackers require high privileges, but no user interaction is necessary. The impact on confidentiality, integrity, and availability is high, making this a critical vulnerability.

Risk & Impact Analysis

Risk to organizations includes the potential for unauthorized code execution, leading to data breaches or service disruptions. The blast radius could be extensive, affecting not just the immediate application but also other connected systems. Organizations should consider the implications of this vulnerability in their risk assessments and prioritize remediation efforts.

Given the CVSS score of 7.2 and the active presence in the KEV catalog, organizations should address this vulnerability urgently. It is imperative to patch systems as soon as feasible to prevent exploitation.

Exploitation Status

Signal

Status

Known Exploit

Yes

Public PoC

Yes

Actively Exploited

Yes

Ransomware Use

No

Affected Versions

Affected versions of Fortinet FortiWeb include: 8.0.0 through 8.0.1, 7.6.0 through 7.6.5, 7.4.0 through 7.4.10, 7.2.0 through 7.2.11, and 7.0.0 through 7.0.11. Organizations should assume all versions prior to the vendor patch are vulnerable.

Mitigation & Remediation

Organizations should apply the latest patches provided by Fortinet for FortiWeb to address this vulnerability. The recommended upgrade is to version 8.0.2 or later. In the interim, ensure that access controls are properly configured to limit exposure and consider implementing network segmentation to minimize risk.

For further guidance, organizations can refer to the Fortinet vendor advisory available at application security assessment. Regular monitoring for anomalies and ensuring robust logging practices can also aid in detection of potential exploitation attempts.

Detection Guidance

Organizations should monitor logs for unusual command execution patterns and unexpected HTTP requests that could indicate attempts to exploit this vulnerability. Behavioral anomalies in application performance or unexpected changes in system configuration should also be noted.

AppSecure Threat Intelligence Insight

The long-term significance of CVE-2025-58034 highlights the ongoing risk associated with OS command injection vulnerabilities. Security teams should analyze this incident as part of a broader strategy to enhance application security posture. Regular security assessments, including continuous penetration testing, should be integrated into the security lifecycle to proactively identify and mitigate similar vulnerabilities.

Organizations are reminded that the patterns of exploitation may evolve, and staying informed through threat intelligence is crucial. For further information on enhancing security strategies against such vulnerabilities, consider reviewing our penetration testing methodology and best practices.

Conducting thorough risk assessments and understanding the landscape of vulnerabilities will allow organizations to respond more effectively to incidents as they arise.

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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