Overview
The world of cybersecurity is no stranger to vulnerabilities, yet some pose a greater threat than others. A case in point is the recently discovered critical vulnerability in FLIR AX8, identified as CVE-2025-5126. This vulnerability targets the setDataTime function in the file usrwwwapplicationmodelssettingsregional.php, and can lead to command injection, a serious security exploit. The threat is further exacerbated by the fact that it can be initiated remotely and has already been publicly disclosed, making it a potential goldmine for cybercriminals.
The severity of this issue cannot be overstated. The FLIR AX8 is a popular thermal imaging system widely used in various industries. With the vendor not responding to the early disclosure, users of up to version 1.46.16 could be at risk. This blog post aims to shed light on the vulnerability, its potential implications, and the steps that can be taken to mitigate it.
Vulnerability Summary
CVE ID: CVE-2025-5126
Severity: Critical (8.8 CVSS Score)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Command Injection leading to system compromise or data leakage
Affected Products
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Product | Affected Versions
FLIR AX8 | Up to 1.46.16
How the Exploit Works
The vulnerability lies in the setDataTime function of FLIR AX8. An attacker can manipulate the year/month/day/hour/minute arguments of this function to inject malicious commands. Since the application doesn’t properly sanitize the user input, it’s possible to execute arbitrary shell commands on the server. This can lead to unauthorized access, data leakage, or even total system compromise.
Conceptual Example Code
Below we illustrate a conceptual example of how this vulnerability might be exploited. Please note that this is only for educational purposes and should not be used maliciously.
POST /application/models/settingsregional.php HTTP/1.1
Host: target.example.com
Content-Type: application/json
{
"year": "; rm -rf /",
"month": "1",
"day": "1",
"hour": "0",
"minute": "0"
}In the above example, the attacker injects a malicious command `; rm -rf /` into the year field. When the server processes this request, it could potentially execute the injected command, leading to severe consequences.
Mitigation Guidance
Until the vendor releases a patch to fix this vulnerability, users are advised to deploy a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) as temporary mitigation. These systems can help detect and block attempts to exploit this vulnerability. Regularly updating all systems and applications is also a good practice to maintain a secure environment.