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CVE-2026-80144

9.9 CRITICAL

Published 2026-09-22 · Updated 2026-09-24

AI risk analysis

Summary
This vulnerability allows authenticated attackers to execute arbitrary shell commands as root, leading to complete loss of confidentiality, integrity, and availability of the device.
Exploitability
Exploitation requires authentication to the terminal or CLI interface and knowledge of the undocumented mfc eeprom write command.
Blast radius
If exploited, the attacker can impact the device and potentially downstream serial-attached devices, leading to severe consequences.
Detection
No reliable host or network indicator is derivable from the published description.
Prioritized remediation
Upgrade to firmware v9.7.0.2 or later for SLC8000/SLC9000, v9.7.0.1 or later for EMG8500/EMG7500, and ensure all SLB882/SLCx-03/SLCx-02 devices are patched.
rceauth-bypassfirmwarerootcommand-injection

Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.

NVD description

Lantronix SLC8000/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 to execute arbitrary shell commands as root by exploiting an undocumented mfc eeprom write command that passes unsanitized user input to a system() call. Attackers can authenticate as any user 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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Weaknesses

CWE-78

All references

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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