Critical severity · published Aug 3, 2026
CVE-2026-18616
GL-iNet GL-MT3000 wg-server.so Native Plugin glc server.set_peer command injection
9.8
CVSS
3.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.6% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GL
GL-MT3000 · GL-iNet
4.4.0; 4.4.1; 4.4.2; 4.4.3; 4.4.4; 4.4.5 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-18616
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-18616
github.com
https://github.com/StrTzz123/iot_vul/blob/main/GL-iNet/MT3000/4.4.5/wg_set_peer_rce/CVE.md
vuldb.com
https://vuldb.com/cve/CVE-2026-18616
vuldb.com
https://vuldb.com/submit/851580
vuldb.com
https://vuldb.com/vuln/385536
vuldb.com
https://vuldb.com/vuln/385536/cti
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