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An OS command injection vulnerability, identified as CVE-2026-25109, exists in Copeland XWEB Pro versions up to 1.12.1. The vulnerability resides in the handling of the ‘devices’ field within the ‘get setup’ route. An authenticated attacker can exploit this by injecting malicious operating system commands into this specific input field. The application fails to properly neutralize special elements, meaning the injected commands are concatenated into a command string that is subsequently executed by the underlying operating system with the privileges of the application. This allows the attacker to achieve remote code execution, effectively taking full control of the affected XWEB Pro system. The vulnerability was discovered and reported by Amir Zaltzman and Noam Moshe of Claroty Team82 . It is classified under CWE-78: Improper Neutralization of Special Elements used in an OS Command (‘OS Command Injection’) . The CVSS v3.1 score for this specific vulnerability is 8.0 (High), with a vector string of CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H .
dailycve form:
Platform: Copeland XWEB Pro
Version: <= 1.12.1
Vulnerability: OS Command Injection
Severity: High (8.0)
date: February 26, 2026
Prediction: Patched (Update Immediately)
What Undercode Say:
Analytics:
The following commands and code snippets can be used to understand and identify the vulnerability.
1. Check Current Firmware Version:
Access the XWEB Pro web interface and navigate to the System Information page, or use a tool like `curl` to fetch the version from a known endpoint if exposed.
curl -k -X GET https://<XWEB_IP>/path/to/version/endpoint -H "Cookie: <authenticated_session_cookie>"
2. Simulate a Malicious Request (Conceptual Proof of Concept):
The following `curl` command demonstrates how an authenticated attacker might inject a command (e.g., ; id > /tmp/pwned) into the `devices` field when interacting with the `get setup` route.
WARNING: This is a conceptual example. Unauthorized testing against systems you do not own is illegal. curl -k -X POST https://<XWEB_IP>/get_setup_route \ -H "Cookie: <authenticated_session_cookie>" \ -d "devices=1; id > /tmp/pwned &other_param=value"
3. Network-based Detection (Snort/Suricata Rule):
A rule to detect attempts to exploit this vulnerability by looking for common command injection separators in POST requests to the specific route.
alert tcp any any -> $XWEB_SERVERS 443 (msg:"CVE-2026-25109 Potential XWEB Pro Command Injection"; flow:to_server,established; content:"POST"; http_method; content:"/get_setup_route"; http_uri; content:"devices="; http_client_body; pcre:"/devices=[^&]?(?:;||||\&|\n|`)/i"; sid:10000001; rev:1;)
Exploit:
The core of the exploit lies in the inability of the application to sanitize user-supplied input. An attacker with valid credentials to the XWEB Pro interface crafts a special HTTP request to the `get setup` route. Instead of providing a legitimate device identifier, the attacker appends shell metacharacters (such as ;, |, &, \n, or `) followed by the operating system command they wish to run. When the server processes this input, it constructs an OS command that includes the malicious payload. Because the input is not sanitized, the shell interprets the metacharacters and executes the injected command alongside the intended application function. This results in the attacker being able to execute arbitrary code on the underlying system with the privileges of the XWEB Pro application, leading to full system compromise.
Protection from this CVE:
- Vendor Patch: The primary and most effective mitigation is to update to the latest version of XWEB Pro. Copeland has released a fix. Users can update directly from the device menu (
SYSTEM -> Updates | Network) or by downloading the update from the Copeland software portal . - Input Validation: As a secure coding practice, all user inputs, especially those that are passed to system commands, must be rigorously validated and sanitized. Use an allowlist of acceptable characters and avoid using shell interpreters to execute commands.
- Network Segmentation: Isolate XWEB Pro systems on a separate network segment from the corporate IT network. Restrict access to the web interface to only trusted administrative workstations and require the use of a VPN for remote access .
- Least Privilege: Ensure the XWEB Pro application runs with the minimum necessary operating system privileges to limit the impact of a successful command injection attack.
Impact:
Successful exploitation of CVE-2026-25109 allows an authenticated remote attacker to execute arbitrary code on the XWEB Pro system. Since these devices are used for building automation and energy management (HVAC), a compromise could lead to:
Operational Disruption: Attackers could alter temperature settings, causing equipment damage or unsafe conditions in facilities like data centers or hospitals .
Physical Security Risks: Manipulation of environmental controls could be used as a diversion or to create hazardous conditions.
Persistence: Attackers could install backdoors or malware on the device, maintaining long-term access.
Lateral Movement: The compromised XWEB Pro could serve as an entry point into the broader Operational Technology (OT) network, potentially allowing attackers to pivot to other connected industrial control systems .
Data Exfiltration: The device could be used to access sensitive configuration data or other information stored on the network.
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Sources:
Reported By: nvd.nist.gov
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