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CVE-2026-26791

Published: Mar 12, 2026Updated: Mar 16, 2026 Sources: CVE List NVDCWE-77
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
2.5%
Top 17.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

GL-iNet GL-AR300M16 v4.3.11 was discovered to contain a command injection vulnerability via the string port parameter in the enable_echo_server function. This vulnerability allows attackers to execute arbitrary commands via a crafted input.

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-77

Affected Products

n/an/a
ar300m16 firmwaregl-inetNetworking Infrastructure
gl-inetcommercialUSNetworking Infrastructureaka ar300m16 firmware, gl-ax1800 firmware, gl-ar300m firmware

Attack Graph

Products CVE Techniques Tactics

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Exploitability

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

MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

References

https://github.com/sezangel/IOT-vul/tree/main/GL-iNet/GL-AR300M16/enable_echo_server
github.com

Timeline

Published
Mar 12, 2026
Last Updated
Mar 16, 2026

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