What is the CVSS score of CVE-2023-31477?

CVE-2023-31477 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.9%.

Is there a public PoC exploit available for CVE-2023-31477?

Yes, a public proof-of-concept exploit is available for CVE-2023-31477. Prioritise patching immediately. EPSS: 0.9%.

Gl Axt1800 Firmware CVE-2023-31477

HIGH

Path Traversal (CWE-22)

2023-05-11 cve@mitre.org

Path Traversal 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

7.5

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-22 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V5 - File Handling Path canonicalization, traversal prevention MITRE ATT&CK 2 techniques across 2 tactics: Discovery, Collection 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 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available.
Exploit ScenarioDerived	A remote attacker could access files and directories outside the intended path by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 0.9% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

A path traversal issue was discovered on GL.iNet devices before 3.216. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, 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. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.

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 Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. A path traversal issue was discovered on GL.iNet devices before 3.216. Through the file sharing feature, it is possible to share an arbitrary directory, such as /tmp or /etc, because there is no server-side restriction to limit sharing to the USB path. 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..

Know when Gl Axt1800 Firmware gets its next vulnerability

Watch products and get an email when something new is published
Check this CVE against your own stack and servers
Exploit and PoC references, threat intelligence from 22 sources

Continue with Google Continue with GitHub

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 7.5 HIGH

AV:N/AC:L/PR:N/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

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

DescriptionNVD

A path traversal issue was discovered on GL.iNet devices before 3.216. Through the file sharing feature, it is possible to share an arbitrary directory, such as /tmp or /etc, because there is no server-side restriction to limit sharing to the USB path.

Threat Intelligence Overview

EPSS Score

0.9%

Top 43% 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 HIGH

CISA KEV No

Public POC Yes

EPSS 0.9%

Patch available No

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

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

Yes

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +38

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Path Traversal HIGH

Path traversal exploits occur when applications use user-controlled input to construct file system paths without proper validation.

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

More in Gl Axt1800 Firmware

View all

CVE-2023-50919 CRITICAL Emergency 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 Act Now 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 Act Now 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 Act Now 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-2025-67089 HIGH This Week POC

8.1 Jan 08

A command injection vulnerability exists in the GL-iNet GL-AXT1800 router firmware v4.6.8. The vulnerability is present

CVE-2023-31478 HIGH This Week 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 This Week 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 This Week 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 This Week 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 Act Now

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-2023-50920 MEDIUM This Month POC

5.5 Jan 12

An issue was discovered on GL.iNet devices before version 4.5.0. Rated medium severity (CVSS 5.5), this vulnerability is

CVE-2023-31473 MEDIUM This Month POC

4.9 May 11

An issue was discovered on GL.iNet devices before 3.216. Rated medium severity (CVSS 4.9), this vulnerability is remotel

Same weakness CWE-22 – Path Traversal

View all

CVE-2019-3396 CRITICAL POC

9.8

CVE-2019-19781 CRITICAL POC

9.8

CVE-2020-5902 CRITICAL POC

9.8

CVE-2021-21972 CRITICAL POC

9.8

CVE-2021-40444 HIGH POC

8.8

CVE-2022-41352 CRITICAL POC

9.8

CVE-2021-27065 HIGH POC

7.8

CVE-2019-11510 CRITICAL POC

10.0

Same technique Path Traversal

View all

CVE-2018-20250 HIGH POC

7.8

CVE-2022-37042 CRITICAL POC

9.8

CVE-2025-64446 CRITICAL POC

9.8

References

Advisories & patches

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

Search Externally

GitHub PoC

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

Back