---
title: "CVE-2026-80143: Lantronix SLC8000 & EMG8500/EMG7500 - Command Injection"
description: "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."
url: https://panop.io/threat-heartbeat/CVE-2026-80143/
---

# 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 ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-80143)

## 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](https://cwe.mitre.org/data/definitions/78.html)

## 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

- [https://nvd.nist.gov/vuln/detail/CVE-2026-80143](https://nvd.nist.gov/vuln/detail/CVE-2026-80143)
- [https://revrb.net/2026/09/21/revrb-lantern.html](https://revrb.net/2026/09/21/revrb-lantern.html)
- [https://ts.lantronix.com/ftp/emg/EMG\_7500/9.7.0.1R2/](https://ts.lantronix.com/ftp/emg/EMG_7500/9.7.0.1R2/)
- [https://ts.lantronix.com/ftp/emg/EMG\_8500/9.7.0.1R2/](https://ts.lantronix.com/ftp/emg/EMG_8500/9.7.0.1R2/)
- [https://ts.lantronix.com/ftp/slc8000/9.7.0.2R1/](https://ts.lantronix.com/ftp/slc8000/9.7.0.2R1/)
- [https://www.vulncheck.com/advisories/lantronix-autonomous-out-of-band-devices-cli-command-injection-via-mfc-eeprom-read](https://www.vulncheck.com/advisories/lantronix-autonomous-out-of-band-devices-cli-command-injection-via-mfc-eeprom-read)
- [https://ts.lantronix.com/ftp/SLC9000/9.7.0.2R1/](https://ts.lantronix.com/ftp/SLC9000/9.7.0.2R1/)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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