CVE-2023-31475
An issue was discovered on GL.iNet devices before 3.216. The function guci2_get() found in...
An issue was discovered on GL.iNet devices before 3.216. The function guci2_get() found in libglutil.so has a buffer overflow when an item is requested from a UCI context, and the value is pasted into a char pointer to a buffer without checking the size of the buffer.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered on GL.iNet devices before 3.216. The function guci2_get() found in libglutil.so has a buffer overflow when an item is requested from a UCI context, and the value is pasted into a char pointer to a buffer without checking the size of the buffer.
- Record
CVE-2023-31475- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
CVE List
An issue was discovered on GL.iNet devices before 3.216. The function guci2_get() found in libglutil.so has a buffer overflow when an item is requested from a UCI context, and the value is pasted into a char pointer to a buffer without checking the size of the buffer.
- Record
CVE-2023-31475- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
EUVDEUVD-2023-35780
An issue was discovered on GL.iNet devices before 3.216. The function guci2_get() found in libglutil.so has a buffer overflow when an item is requested from a UCI context, and the value is pasted into a char pointer to a buffer without checking the size of the buffer.
- Record
EUVD-2023-35780- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-27c8-cpgv-r39p
An issue was discovered on GL.iNet devices before 3.216. The function guci2_get() found in...
An issue was discovered on GL.iNet devices before 3.216. The function guci2_get() found in libglutil.so has a buffer overflow when an item is requested from a UCI context, and the value is pasted into a char pointer to a buffer without checking the size of the buffer.
- Record
GHSA-27c8-cpgv-r39p- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
Affected products
- gl-inet gl-a1300 firmware
- gl-inet gl-ap1300 firmware
- gl-inet gl-ap1300lte firmware
- gl-inet gl-ar300m firmware
- gl-inet gl-ar750 firmware
- gl-inet gl-ar750s firmware
- gl-inet gl-ax1800 firmware
- gl-inet gl-axt1800 firmware
- gl-inet gl-b1300 firmware
- gl-inet gl-b2200 firmware
- gl-inet gl-e750 firmware
- gl-inet gl-mifi firmware
Show 20 moreShow less
- gl-inet gl-mt1300 firmware
- gl-inet gl-mt2500 firmware
- gl-inet gl-mt2500a firmware
- gl-inet gl-mt3000 firmware
- gl-inet gl-mt300n-v2 firmware
- gl-inet gl-mv1000 firmware
- gl-inet gl-mv1000w firmware
- gl-inet gl-s10 firmware
- gl-inet gl-s1300 firmware
- gl-inet gl-s200 firmware
- gl-inet gl-s20 firmware
- gl-inet gl-sf1200 firmware
- gl-inet gl-sft1200 firmware
- gl-inet gl-usb150 firmware
- gl-inet gl-x1200 firmware
- gl-inet gl-x3000 firmware
- gl-inet gl-x300b firmware
- gl-inet gl-x750 firmware
- gl-inet gl-xe300 firmware
- gl-inet microuter-n300 firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-31475 is a critical vulnerability (CVSS 9.8) in Gl-inet Gl-a1300 Firmware, published May 11, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 13.7%, the 96th percentile. No source names a fixed version.