CVE-2023-31475 is a critical buffer overflow vulnerability affecting GL.iNet devices running firmware versions prior to 3.216. The flaw resides in the guci2_get() function within libglutil.so, allowing an attacker to write beyond allocated buffer boundaries when processing UCI context requests. This vulnerability carries a CVSS score of 9.8 (Critical), indicating it is easily exploitable over the network with no user interaction, leading to complete compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the high severity warrants immediate patching.
| Vendor | Product | Version(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 version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
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 records are not available for this CVE.