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CVE-2026-18614

GL-iNet GL-MT3000 s2s.so Native Plugin glc s2s.enable_echo_server command injection

Published: Aug 3, 2026Updated: Aug 12, 2026 Sources: CVE List NVDCWE-74
9.8CRITICAL
NVD MITRE
EPSS Score
2.0%
Top 20.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

Description

A vulnerability was found in GL-iNet GL-MT3000 up to 4.4.5. Impacted is the function s2s.enable_echo_server of the file /cgi-bin/glc of the component s2s.so Native Plugin. Performing a manipulation of the argument port results in command injection. The attack may be initiated remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-74CWE-77

Affected Products

GL-iNet
commercial·USaka ar300m16 firmware, gl-ax1800 firmware, gl-ar300m firmware
GL-MT3000Embedded
Networking Infrastructure / router-switch

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://vuldb.com/vuln/385534
vuldb.com
https://vuldb.com/vuln/385534/cti
vuldb.com
https://vuldb.com/cve/CVE-2026-18614
vuldb.com
and 2 more references View all →

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