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CVE-2025-11837: CWE-94 in QNAP Systems Inc. Malware Remover

0
High
VulnerabilityCVE-2025-11837cvecve-2025-11837cwe-94
Published: 01/02/2026 (01/02/2026, 15:51:28 UTC)
Source: CVE Database V5
Vendor/Project: QNAP Systems Inc.
Product: Malware Remover

Description

CVE-2025-11837 is a high-severity vulnerability in QNAP Systems Inc. 's Malware Remover product, specifically affecting versions 6.6.x. It involves improper control of code generation (CWE-94), which allows remote attackers to bypass protection mechanisms without requiring privileges or user interaction. The vulnerability has been fixed in Malware Remover version 6.6.8.20251023 and later. There are no known exploits in the wild at this time.

CVSS v4.0

Score 8.1high

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vuln. Confidentiality
High
Vuln. Integrity
High
Vuln. Availability
High
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U

Affected software

QNAP Systems Inc.

Malware Remover

Affected versions
>=6.6.x <6.6.8.20251023

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 05/26/2026, 20:20:16 UTC

Technical Analysis

This vulnerability (CVE-2025-11837) in QNAP Malware Remover is classified as CWE-94, indicating improper control of code generation. It allows remote attackers to bypass the product's protection mechanisms without authentication or user interaction, posing a significant security risk. The CVSS 4.0 base score is 8.1 (high), reflecting network attack vector, low complexity, no privileges required, and high impact on confidentiality, integrity, and availability. The vendor has released an official fix in version 6.6.8.20251023 and later.

Potential Impact

Successful exploitation could allow remote attackers to bypass Malware Remover's protection mechanisms, potentially leading to unauthorized code execution or evasion of malware detection. This impacts the confidentiality, integrity, and availability of the affected system. No known exploits have been reported in the wild so far.

Mitigation Recommendations

Upgrade Malware Remover to version 6.6.8.20251023 or later to apply the official fix provided by QNAP Systems Inc. No additional mitigation steps are indicated by the vendor advisory.

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Technical Details

Data Version
5.2
Assigner Short Name
qnap
Date Reserved
2025-10-16T05:24:28.428Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6957eb35db813ff03ef35592

Added to database: 01/02/2026, 15:58:45 UTC

Last enriched: 05/26/2026, 20:20:16 UTC

Last updated: 09/10/2026, 22:30:58 UTC

Views: 180

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