Vulnerability · Published Aug 3, 2026 · Assigned by VulDB

CVE-2026-18613GL-iNet GL-MT3000 plugins.so Native Plugin glc plugins.set_config injection

Critical 9.8

In plain English

A critical-severity injection in GL-MT3000 from GL-iNet. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical

Exploit odds (30 days)1.0%top 37.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability has been found in GL-iNet GL-MT3000 up to 4.4.5. This issue affects the function plugins.set_config of the file /cgi-bin/glc of the component plugins.so Native Plugin. Such manipulation leads to injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.

Affected products (as reported)

Vendor	Product	Versions
GL-iNet	GL-MT3000	4.4.04.4.14.4.24.4.34.4.44.4.5

Weakness: CWE-74, CWE-707 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

References

VDB-385533 | GL-iNet GL-MT3000 plugins.so Native Plugin glc plugins.set_config injection vdb-entry, technical-description
VDB-385533 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-18613 | CVE Analysis and Report third-party-advisory
Submit #851557 | GL-iNet MT3000 4.4.5 Feed Hijacking third-party-advisory
https://github.com/StrTzz123/iot_vul/blob/main/GL-iNet/MT3000/4.4.5/plugins_set_config_glc_write/CVE.md exploit