Is this vulnerability remotely exploitable over the network?

Yes, in typical deployments the firmware update action is exposed via a web or API interface. An attacker who can authenticate to XWEB Pro and access the firmware update functionality can exploit the vulnerability remotely over the network.

Does exploitation require authentication or special privileges?

The vulnerability description indicates that an authenticated attacker is required. The attacker must at least have credentials that allow access to the firmware update feature or any endpoint that accepts the `devices` field.

What is the safest general fix pattern for developers?

The most robust fix is to stop building shell command strings with user input. Use parameterized process execution APIs that take arguments as separate parameters, strictly validate the `devices` field against an allowlist of valid identifiers, and avoid passing free-form strings into a command interpreter.

Severity:

HIGH RISK

(8.0)

OS Command Injection (CWE-78) in XWEB Pro Firmware Update Devices Field

CVE-2026-20910

Published:

Feb 26, 2026

Status:

Analyzed

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

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Vulnerability Type

Category:

OS Command Injection

CWE:

CWE-78

Impact:

Remote Code Execution

Severity:

HIGH RISK

(8.0)

CVSS Version:

3.1

Vulnerability Type

Category:

OS Command Injection

CWE:

CWE-78

Impact:

Remote Code Execution

Severity:

HIGH RISK

(8.0)

CVSS Version:

3.1

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OS Command Injection (CWE-78) in XWEB Pro Firmware Update Devices Field

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

CRITICAL RISK

CRITICAL

(9.9)

Command Injection in MCP Stdio Configuration Validation (CWE-78) in WeKnora

CRITICAL RISK

CRITICAL

(9.9)

SQL Injection via PostgreSQL Array/Row Expressions (CWE-89) in WeKnora Query Engine

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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