CVE-2026-24663

CRITICAL
2026-02-27 [email protected]
9.0
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Feb 27, 2026 - 01:16 nvd
CRITICAL 9.0

Tags

Command Injection Xweb 500b Pro Firmware Xweb 300d Pro Firmware Xweb 500d Pro Firmware

Description

An OS command injection vulnerability exists in XWEB Pro version 1.12.1 and prior, enabling an unauthenticated attacker to achieve remote code execution on the system by sending a crafted request to the libraries installation route and injecting malicious input into the request body.

Analysis

Unauthenticated OS command injection in Copeland XWEB Pro HVAC controller version 1.12.1 and prior. EPSS 0.96% indicates real exploitation risk for internet-exposed building automation systems.

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Remediation

Within 24 hours: Identify all systems running XWEB Pro 1.12.1 or earlier and isolate them from production networks if possible; enable enhanced logging on affected systems. Within 7 days: Deploy WAF rules to block malicious requests to the libraries installation route; implement network segmentation to restrict access to XWEB Pro from trusted networks only. …

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Priority Score

46
Low Medium High Critical
KEV: 0
EPSS: +1.0
CVSS: +45
POC: 0

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CVE-2026-24663 vulnerability details – vuln.today
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