CVE-2026-18616
Full vulnerability record from the local CVENow database.
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.
Severity
HIGH
CVSS score
8.9
(v4.0)
Vulnerability status
Deferred
Source identifier
Published
2026-08-03 19:16:45.557000
Last modified
2026-10-23 21:10:00.157000
View original CVE JSON
{
"id": "CVE-2026-18616",
"sourceIdentifier": "[email protected]",
"published": "2026-08-03T19:16:45.557",
"lastModified": "2026-10-23T21:10:00.157",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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."
},
{
"lang": "es",
"value": "Una vulnerabilidad fue identificada en GL-iNet GL-MT3000 hasta la versión 4.4.5. El elemento afectado es la función server.set_peer del archivo /cgi-bin/glc del componente wg-server.so Native Plugin. La manipulación del argumento public_key conduce a inyección de comandos. La explotación remota del ataque es posible. El exploit está disponible públicamente y podría ser utilizado. El proveedor fue contactado con antelación sobre esta divulgación y confirmó la existencia de la vulnerabilidad."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "GL-iNet",
"product": "GL-MT3000",
"cpes": [
"cpe:2.3:o:gl-inet:gl-mt3000_firmware:*:*:*:*:*:*:*:*"
],
"modules": [
"wg-server.so Native Plugin"
],
"versions": [
{
"version": "4.4.0",
"status": "affected"
},
{
"version": "4.4.1",
"status": "affected"
},
{
"version": "4.4.2",
"status": "affected"
},
{
"version": "4.4.3",
"status": "affected"
},
{
"version": "4.4.4",
"status": "affected"
},
{
"version": "4.4.5",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV40": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"baseScore": 8.9,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnAvailabilityImpact": "HIGH",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "PROOF_OF_CONCEPT",
"confidentialityRequirement": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"availabilityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED"
}
}
],
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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"attackVector": "NETWORK",
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"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
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"availabilityImpact": "HIGH"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9
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],
"cvssMetricV2": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "2.0",
"vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
"baseScore": 10.0,
"accessVector": "NETWORK",
"accessComplexity": "LOW",
"authentication": "NONE",
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"availabilityImpact": "COMPLETE"
},
"baseSeverity": "HIGH",
"exploitabilityScore": 10.0,
"impactScore": 10.0,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-08-04T17:13:15.374457Z",
"id": "CVE-2026-18616",
"options": [
{
"exploitation": "poc"
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{
"automatable": "yes"
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{
"technicalImpact": "total"
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],
"role": "CISA Coordinator",
"version": "2.0.3"
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},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-74"
},
{
"lang": "en",
"value": "CWE-77"
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],
"references": [
{
"url": "https://github.com/StrTzz123/iot_vul/blob/main/GL-iNet/MT3000/4.4.5/wg_set_peer_rce/CVE.md",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/cve/CVE-2026-18616",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/submit/851580",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/385536",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/385536/cti",
"source": "[email protected]"
}
]
}