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CVE-2023-31471

29
FAUCET Score

CVE-2023-31471 is a critical vulnerability affecting GL.iNet devices running firmware versions prior to 3.216, allowing for the installation of arbitrary software, including reverse shells, due to insufficient server-side validation of package installation requests. With a CVSS score of 9.8 (CRITICAL), this vulnerability can be exploited remotely without authentication (AV:N/AC:L/PR:N/UI:N), leading to complete compromise of confidentiality, integrity, and availability (C:H/I:H/A:H). While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion with 10 mentions, indicating awareness and potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.216CPE matchmatch criteria
cpe:2.3:o:gl-inet:gl-s20_firmware:*:*:*:*:*:*:*:*
< 3.216CPE matchmatch criteria
cpe:2.3:o:gl-inet:gl-x3000_firmware:*:*:*:*:*:*:*:*
< 3.216CPE matchmatch criteria
cpe:2.3:o:gl-inet:gl-mt3000_firmware:*:*:*:*:*:*:*:*
< 3.216CPE matchmatch criteria
cpe:2.3:o:gl-inet:gl-mt2500_firmware:*:*:*:*:*:*:*:*
< 3.216CPE matchmatch criteria
cpe:2.3:o:gl-inet:gl-mt2500a_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.05%
Probability of exploitation in next 30 days
EPSS Percentile
60.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0105 is in the 46th percentile among its peer group of 36,821 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / gl-inet/CVE-issues/blob/main/3.215/Abuse_of_Functionality_leads_to_RCE.md
Exploit
gl-inet.com
Vendor Advisory