CVE-2026-20910
Modified Modified - Updated After Analysis
OS Command Injection in XWEB Pro Firmware Update Allows RCE

Publication date: 2026-02-27

Last updated on: 2026-06-04

Assigner: ICS-CERT

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 injecting malicious input into the devices field of the firmware update action to achieve remote code execution.
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Meta Information
Published
2026-02-27
Last Modified
2026-06-04
Generated
2026-06-16
AI Q&A
2026-02-27
EPSS Evaluated
2026-06-15
NVD
CVE-2026-20910
EUVD
EUVD-2026-8945
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
copeland xweb_300d_pro_firmware to 1.12.1 (inc)
copeland xweb_500d_pro_firmware to 1.12.1 (inc)
copeland xweb_500b_pro_firmware to 1.12.1 (inc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-78 The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
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Executive Summary

This vulnerability is an OS command injection flaw found in XWEB Pro version 1.12.1 and earlier. It allows an authenticated attacker to execute arbitrary commands on the affected system remotely by injecting malicious input into the devices field during the firmware update process.

Impact Analysis

An attacker exploiting this vulnerability can achieve remote code execution with high privileges, potentially leading to full control over the affected system. This can result in data compromise, system disruption, or further attacks within the network.

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