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CVE-2023-31477

HIGH
7.5
CVSS Score
Published: May 11, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:57 AM UTC
65 products affected across 1 vendorGl MT3000 FirmwareGl AX1800 FirmwareGl AR300M Firmware

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Severity
HIGH7.5
Exploit prediction
EPSS 0.9%
SSVC
PoC

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Gl A1300 Firmware· Gl Inet
95%
v < 3.216
Affected range stops below 3.216, so it looks safe — our inference, not a vendor statement
gl-inet-gl-a1300 (same device)
Gl AP1300 Firmware· Gl Inet
95%
v < 3.216
Affected range stops below 3.216, so it looks safe — our inference, not a vendor statement
gl-inet-gl-ap1300 (same device)
Gl AP1300LTE Firmware· Gl Inet
95%
v < 3.216
Affected range stops below 3.216, so it looks safe — our inference, not a vendor statement
gl-inet-gl-ap1300lte (same device)
Gl AR300M Firmware· Gl Inet
95%
v < 3.216
Affected range stops below 3.216, so it looks safe — our inference, not a vendor statement
gl-inet-gl-ar300m (same device)
Gl AR750 Firmware· Gl Inet
95%
v < 3.216
Affected range stops below 3.216, so it looks safe — our inference, not a vendor statement
gl-inet-gl-ar750 (same device)
Gl AR750S Firmware· Gl Inet
95%
v < 3.216
Affected range stops below 3.216, so it looks safe — our inference, not a vendor statement
gl-inet-gl-ar750s (same device)
Gl AX1800 Firmware· Gl Inet
95%
v < 3.216
Affected range stops below 3.216, so it looks safe — our inference, not a vendor statement
Gl AXT1800 Firmware· Gl Inet
95%
v < 3.216
Affected range stops below 3.216, so it looks safe — our inference, not a vendor statement
gl-inet-gl-axt1800 (same device)
Gl B1300 Firmware· Gl Inet
95%
v < 3.216
Affected range stops below 3.216, so it looks safe — our inference, not a vendor statement
gl-inet-gl-b1300 (same device)
Gl B2200 Firmware· Gl Inet
95%
v < 3.216
Affected range stops below 3.216, so it looks safe — our inference, not a vendor statement
gl-inet-gl-b2200 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

ExploitThird Party Advisory
Source: [email protected]
https://github.com/gl-inet/CVE-issues/blob/main/3.215/Path_Traversal.md
Vendor Advisory
Source: [email protected]
https://www.gl-inet.com

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-22

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