CVE-2026-80143 Lantronix SLC8000 & EMG8500/EMG7500 - Command Injection

Lantronix SLC8000 < 9.7.0.2, EMG8500/EMG7500 < 9.7.0.1, and all versions of SLB882/SLCx-03/SLCx-02 contain a command injection caused by unsanitized input in an undocumented mfc eeprom read command, letting authenticated attackers execute arbitrary shell commands as root, exploit requires authentication.

CVSS base score 9.9 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
1.51% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Command Injection
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Published
22 September 2026
Updated
15 October 2026
Weakness
CWE-78

Vendor fix

Update to firmware version 9.7.0.2 or later for SLC8000, 9.7.0.1 or later for EMG8500/EMG7500, or latest available firmware for SLB882/SLCx-03/SLCx-02.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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