Vulnerability · Published Aug 3, 2026 · Assigned by VulDB

CVE-2026-18616GL-iNet GL-MT3000 wg-server.so Native Plugin glc server.set_peer command injection

Critical 9.8

In plain English

A critical-severity command 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 3.6% (higher than 90% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical

Exploit odds (30 days)3.6%top 10.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was identified in GL-iNet GL-MT3000 up to 4.4.5. The impacted element is the function server.set_peer of the file /cgi-bin/glc of the component wg-server.so Native Plugin. The manipulation of the argument public_key leads to command injection. Remote exploitation of the attack is possible. The exploit is publicly available and might 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-77, CWE-74 · 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-385536 | GL-iNet GL-MT3000 wg-server.so Native Plugin glc server.set_peer command injection vdb-entry, technical-description
VDB-385536 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-18616 | CVE Analysis and Report third-party-advisory
Submit #851580 | GL-iNet MT3000 4.4.5 Command Injection third-party-advisory
https://github.com/StrTzz123/iot_vul/blob/main/GL-iNet/MT3000/4.4.5/wg_set_peer_rce/CVE.md exploit