CVE-2026-25195
Published: 27 February 2026
Summary
CVE-2026-25195 is a high-severity OS Command Injection (CWE-78) vulnerability in Copeland Xweb 300D Pro Firmware. Its CVSS base score is 8.0 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 47.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-2 (Flaw Remediation).
Threat & Defense at a Glance
Threat & Defense Details
Mitigating Controls (NIST 800-53 r5)AI
Directly addresses the OS command injection vulnerability by requiring timely identification, reporting, and remediation through patching the flawed firmware update process.
Mandates validation of firmware update file inputs to block crafted payloads that enable OS command injection.
Enforces cryptographic integrity verification of firmware update files to prevent processing of tampered or malicious updates leading to command injection.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
OS command injection in the firmware update endpoint of a network-accessible web application directly enables T1190 (exploitation of the public-facing service for initial access/RCE) and T1059.004 (arbitrary Unix shell command execution on the target host).
NVD Description
An OS command injection vulnerability exists in XWEB Pro version 1.12.1 and prior, enabling an authenticated attacker to achieve remote code execution on the system by supplying a crafted firmware update file via the firmware update route.
Deeper analysisAI
CVE-2026-25195 is an OS command injection vulnerability (CWE-78) affecting XWEB Pro version 1.12.1 and prior versions. It allows an authenticated attacker to achieve remote code execution on the affected system by supplying a crafted firmware update file through the firmware update route. The vulnerability has a CVSS v3.1 base score of 8.0 (AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H), indicating high severity with network accessibility, high attack complexity, required privileges, changed scope, and high impact on confidentiality, integrity, and availability.
An authenticated attacker with high privileges can exploit this vulnerability remotely by crafting a malicious firmware update file and submitting it via the designated firmware update endpoint. Successful exploitation leads to arbitrary OS command execution on the target system, potentially enabling full compromise, data exfiltration, persistence, or further lateral movement within the environment.
Mitigation details are outlined in CISA ICS Advisory ICSA-26-057-10, available at https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-10, along with the corresponding CSAF file at https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-10.json. Additional guidance on system software updates is provided by Copeland at https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate. Security practitioners should consult these resources for patching instructions, workarounds, and affected product details.
Details
- CWE(s)