What is the CVSS score of CVE-2023-31473?

CVE-2023-31473 has a CVSS 3.1 base score of 4.9 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 3.9%.

Is there a public PoC exploit available for CVE-2023-31473?

Yes, a public proof-of-concept exploit is available for CVE-2023-31473. Prioritise patching immediately. EPSS: 3.9%.

Gl Axt1800 Firmware CVE-2023-31473

MEDIUM

Command Injection (CWE-77)

2023-05-11 cve@mitre.org

Command Injection Gl Axt1800 Firmware Gl Mt1300 Firmware Gl Mt300N V2 Firmware Gl Ar750S Firmware Gl Ar750 Firmware Gl Ar300M Firmware Gl B1300 Firmware Gl A1300 Firmware Gl Ax1800 Firmware Gl Mt3000 Firmware Gl Mt2500 Firmware Gl Mv1000W Firmware Gl Mv1000 Firmware Gl S20 Firmware Gl X3000 Firmware Gl Mt2500A Firmware Gl Sft1200 Firmware Gl E750 Firmware Gl S10 Firmware Gl S200 Firmware Gl S1300 Firmware Gl Sf1200 Firmware Gl B2200 Firmware Gl Ap1300 Firmware Gl Ap1300Lte Firmware Gl X1200 Firmware Gl X750 Firmware Gl X300B Firmware Gl Xe300 Firmware Gl Mifi Firmware Gl Usb150 Firmware Microuter N300 Firmware Gl Inet

4.9

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-77 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V1 - Encoding and Sanitization Command injection prevention MITRE ATT&CK 1 technique across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 4.9 (MEDIUM). Attack characteristics: network attack vector, low complexity, high privileges required, no user interaction not required. Public proof-of-concept exploit code is available.
Exploit ScenarioDerived	A remote attacker could inject arbitrary commands into system command execution by sending crafted requests to the affected application.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 3.9% exploitation probability (EPSS)

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AnalysisAI

An issue was discovered on GL.iNet devices before 3.216. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

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 Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. An issue was discovered on GL.iNet devices before 3.216. There is an arbitrary file write in which an empty file can be created anywhere on the filesystem. This is caused by a command injection vulnerability with a filter applied. Through the software installation feature, it is possible to inject arbitrary parameters in a request to cause opkg to read an arbitrary file name while using root privileges. The -f option can be used with a configuration file. Affected products include: Gl-Inet Gl-S20 Firmware, Gl-Inet Gl-X3000 Firmware, Gl-Inet Gl-Mt3000 Firmware, Gl-Inet Gl-Mt2500 Firmware, Gl-Inet Gl-Mt2500A Firmware. Version information: before 3.216..

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 4.9 MEDIUM

AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

DescriptionNVD

An issue was discovered on GL.iNet devices before 3.216. There is an arbitrary file write in which an empty file can be created anywhere on the filesystem. This is caused by a command injection vulnerability with a filter applied. Through the software installation feature, it is possible to inject arbitrary parameters in a request to cause opkg to read an arbitrary file name while using root privileges. The -f option can be used with a configuration file.

Threat Intelligence Overview

EPSS Score

3.9%

Top 11% exploitable

Exploit

POC

Public exploit code exists

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

GitHub

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 MEDIUM

CISA KEV No

Public POC Yes

EPSS 3.9%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

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

Poc

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +4

CVSS: +24

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

OS Command Injection CRITICAL

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

Affected Products (CPE)NVD

cpe:2.3:o:gl-inet:gl-s20_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:gl-x3000_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:gl-mt3000_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:gl-mt2500_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:gl-mt2500a_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:gl-axt1800_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:gl-a1300_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:gl-ax1800_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:gl-sft1200_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:gl-mt1300_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:gl-e750_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:gl-mv1000_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:gl-mv1000w_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:gl-s10_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:gl-s200_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:gl-s1300_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:gl-sf1200_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:gl-b1300_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:gl-b2200_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:gl-ap1300_firmware:*:*:*:*:*:*:*:*

+ 12 more

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References

Advisories & patches

ADVISORY https://www.gl-inet.com

Search Externally

GitHub PoC

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