Cyber Posture

CVE-2026-25037

HighRCE

Published: 27 February 2026

Published
27 February 2026
Modified
27 February 2026
KEV Added
Patch
CVSS Score 8.0 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS Score 0.0004 13.3th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-25037 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 at the 13.3th percentile by exploit likelihood (below the median); 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

What attackers do: exploitation maps to Exploit Public-Facing Application (T1190) and 2 other techniques. What defenders deploy: see the NIST 800-53 controls recommended below.
Threat & Defense Details

Mitigating Controls (NIST 800-53 r5)AI

prevent

Directly prevents OS command injection by validating the maliciously crafted LCD state input before processing during system setup.

prevent

Mitigates the vulnerability through timely identification, reporting, and deployment of vendor patches to remediate the command injection flaw.

prevent

Complements input validation by restricting the LCD state inputs to safe formats, sizes, or types to block malicious command payloads.

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
T1210 Exploitation of Remote Services Lateral Movement
Adversaries may exploit remote services to gain unauthorized access to internal systems once inside of a network.
T1059.004 Unix Shell Execution
Adversaries may abuse Unix shell commands and scripts for execution.
Why these techniques?

OS command injection vulnerability in network-accessible web interface (XWEB Pro) enables exploitation of public-facing or remote services (T1190, T1210) for RCE via Unix shell commands (T1059.004).

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

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 configuring a maliciously crafted LCD state which is later processed during system setup, enabling…

more

remote code execution.

Deeper analysisAI

CVE-2026-25037 is an OS command injection vulnerability (CWE-78) affecting XWEB Pro version 1.12.1 and prior versions. The flaw allows an authenticated attacker to achieve remote code execution (RCE) on the affected system by configuring a maliciously crafted LCD state, which is subsequently processed during system setup. The vulnerability carries 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 due to its potential for complete system compromise.

Exploitation requires network access and high privileges (PR:H), with high attack complexity (AC:H) but no user interaction (UI:N). A successful attack enables the adversary to execute arbitrary operating system commands remotely, potentially leading to full control over the system, including high impacts on confidentiality, integrity, and availability in a scoped environment.

CISA's ICS Advisory (ICSA-26-057-10) details the vulnerability, with corresponding machine-readable data available via the Cybersecurity and Infrastructure Security Agency's GitHub CSAF repository. Mitigation guidance and patches are referenced in the Dixell/Copeland system software update page, recommending users apply the latest updates to address the issue.

Details

CWE(s)

Affected Products

copeland
xweb 300d pro firmware
≤ 1.12.1
copeland
xweb 500d pro firmware
≤ 1.12.1
copeland
xweb 500b pro firmware
≤ 1.12.1

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CVE-2026-20902Same product: Copeland Xweb 300D Pro
CVE-2026-23702Same product: Copeland Xweb 300D Pro
CVE-2026-20910Same product: Copeland Xweb 300D Pro

References