High severity · published May 9, 2023
CVE-2023-31476
An issue was discovered on GL.iNet devices running firmware before 3.216
7.5
CVSS
0.8%
EPSS
No
On KEV
Description
An issue was discovered on GL.iNet devices running firmware before 3.216. There is an arbitrary file write in which an empty file can be created almost anywhere on the filesystem, as long as the filename and path is no more than 6 characters (the working directory is /www).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GF
Gl-mv1000 Firmware · Gl-inet
through 3.215 · source: NVD
GF
Gl-mv1000w Firmware · Gl-inet
through 3.215 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-31476
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-31476
Exploit
https://github.com/gl-inet/CVE-issues/blob/main/3.215/GL-MV1000_Arbitrary_File_Creation.md
Product
https://www.gl-inet.com
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