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Gl Ar300M Firmware CVE-2023-46456

CRITICAL
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)
2023-12-12 cve@mitre.org
9.8
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Input neutralization, injection prevention
Impact

CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the critical-severity affected system.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
No patch listed yet 24.7% exploitation probability (EPSS)

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AnalysisAI

In GL.iNET GL-AR300M routers with firmware 3.216 it is possible to inject arbitrary shell commands through the OpenVPN client file upload functionality. 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. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified under CWE-74. In GL.iNET GL-AR300M routers with firmware 3.216 it is possible to inject arbitrary shell commands through the OpenVPN client file upload functionality. Affected products include: Gl-Inet Gl-Ar300M Firmware.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.8 CRITICAL
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

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

In GL.iNET GL-AR300M routers with firmware 3.216 it is possible to inject arbitrary shell commands through the OpenVPN client file upload functionality.

Threat Intelligence Overview

EPSS Score
24.7%
Top 2% exploitable
Data Quality
2 sources
Confidence: Low

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.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC No
EPSS 24.7%
Patch available No
Active threat No
Deciding rule
CRITICAL severity
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

74
Low Medium High Critical
KEV: 0
EPSS: +25
CVSS: +49
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Malicious file upload attacks exploit insufficient validation when web applications accept user-provided files.

Affected Products (CPE)NVD

cpe:2.3:o:gl-inet:gl-ar300m_firmware:3.216:*:*:*:*:*:*:*
CVE-2023-50919 CRITICAL POC
9.8 Jan 12

An issue was discovered on GL.iNet devices before version 4.5.0. Rated critical severity (CVSS 9.8), this vulnerability

CVE-2023-50445 HIGH POC
7.8 Dec 28

Shell Injection vulnerability GL.iNet A1300 v4.4.6, AX1800 v4.4.6, AXT1800 v4.4.6, MT3000 v4.4.6, MT2500 v4.4.6, MT6000

CVE-2023-31475 CRITICAL POC
9.8 May 11

An issue was discovered on GL.iNet devices before 3.216. Rated critical severity (CVSS 9.8), this vulnerability is remot

CVE-2023-31471 CRITICAL POC
9.8 May 10

An issue was discovered on GL.iNet devices before 3.216. Rated critical severity (CVSS 9.8), this vulnerability is remot

CVE-2023-46455 HIGH POC
7.5 Dec 12

In GL.iNET GL-AR300M routers with firmware v4.3.7 it is possible to write arbitrary files through a path traversal attac

CVE-2023-31477 HIGH POC
7.5 May 11

A path traversal issue was discovered on GL.iNet devices before 3.216. Rated high severity (CVSS 7.5), this vulnerabilit

CVE-2023-31478 HIGH POC
7.5 May 09

An issue was discovered on GL.iNet devices before 3.216. Rated high severity (CVSS 7.5), this vulnerability is remotely

CVE-2023-31474 HIGH POC
7.5 May 09

An issue was discovered on GL.iNet devices before 3.216. Rated high severity (CVSS 7.5), this vulnerability is remotely

CVE-2023-31472 HIGH POC
7.5 May 09

An issue was discovered on GL.iNet devices before 3.216. Rated high severity (CVSS 7.5), this vulnerability is remotely

CVE-2023-50922 HIGH POC
7.2 Jan 03

An issue was discovered on GL.iNet devices through 4.5.0. Rated high severity (CVSS 7.2), this vulnerability is remotely

CVE-2023-50921 CRITICAL
9.8 Jan 03

An issue was discovered on GL.iNet devices through 4.5.0. Rated critical severity (CVSS 9.8), this vulnerability is remo

CVE-2023-46454 CRITICAL
9.8 Dec 12

In GL.iNET GL-AR300M routers with firmware v4.3.7, it is possible to inject arbitrary shell commands through a crafted p

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