CVE-2026-20742

HIGH
2026-02-27 [email protected]
8.0
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
High
Privileges Required
High
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
HIGH 8.0

Tags

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

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 requests sent to the templates route.

Analysis

Remote code execution in XWEB Pro firmware versions 1.12.1 and earlier allows authenticated attackers to execute arbitrary OS commands by injecting malicious input through the templates route. Affected versions include Xweb 500d Pro, 300d Pro, and 500b Pro. …

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Remediation

Within 24 hours: Audit all systems running XWEB Pro 1.12.1 or prior and restrict access to the templates route to trusted networks only. Within 7 days: Implement WAF rules to block malicious template injection patterns and review logs for exploitation attempts. …

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Priority Score

40
Low Medium High Critical
KEV: 0
EPSS: +0.3
CVSS: +40
POC: 0

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CVE-2026-20742 vulnerability details – vuln.today
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