Prosafe Network Management System
CVE-2021-27274
CRITICAL
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V5 - File Handling File type validation, storage isolation
MITRE ATT&CK
2 techniques across 2 tactics: Command and Control, Persistence The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could upload malicious files that can be executed on the server by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
This vulnerability allows remote attackers to execute arbitrary code on affected installations of NETGEAR ProSAFE Network Management System 1.6.0.26. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.
Affects your stack
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Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. This vulnerability allows remote attackers to execute arbitrary code on affected installations of NETGEAR ProSAFE Network Management System 1.6.0.26. Authentication is not required to exploit this vulnerability. The specific flaw exists within the MFileUploadController class. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-12124. Affected products include: Netgear Prosafe Network Management System.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
This vulnerability allows remote attackers to execute arbitrary code on affected installations of NETGEAR ProSAFE Network Management System 1.6.0.26. Authentication is not required to exploit this vulnerability. The specific flaw exists within the MFileUploadController class. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-12124.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Malicious file upload attacks exploit insufficient validation when web applications accept user-provided files.
Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.
Affected Products (CPE)NVD
NETGEAR ProSAFE Network Management System has Java Debug Wire Protocol (JDWP) listening on port 11611 and it is remotely
A low-privileged OS user with access to a Windows host where NETGEAR ProSAFE Network Management System is installed can
NETGEAR ProSAFE Network Management System getFilterString SQL Injection Remote Code Execution Vulnerability. Rated high
NETGEAR ProSAFE Network Management System getSortString SQL Injection Remote Code Execution Vulnerability. Rated high se
NETGEAR ProSAFE Network Management System UpLoadServlet Directory Traversal Remote Code Execution Vulnerability. Rated h
NETGEAR ProSAFE Network Management System UpLoadServlet Unrestricted File Upload Remote Code Execution Vulnerability. Ra
This vulnerability allows remote attackers to execute arbitrary code on affected installations of NETGEAR ProSAFE Networ
This vulnerability allows remote attackers to disclose sensitive information and delete arbitrary files on affected inst
NETGEAR ProSAFE Network Management System Default Credentials Local Privilege Escalation Vulnerability. Rated high sever
This vulnerability allows remote attackers to delete arbitrary files on affected installations of NETGEAR ProSAFE Networ
This vulnerability allows remote attackers to delete arbitrary files on affected installations of NETGEAR ProSAFE Networ
GitHub PoC
Exploit-DB