CVE-2026-80143 Lantronix Autonomous Out-of-Band Devices CLI Command Injection via mfc eeprom read
Authenticated attackers can execute arbitrary shell commands as root on Lantronix out-of-band devices via unsanitized input in the mfc eeprom read command.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-80143?
CVE-2026-80143 is a critical command injection vulnerability in LANTRONIX EMG7500, published on 22 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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 read 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.
Weakness: CWE-78
Which versions are affected by CVE-2026-80143?
How do I fix CVE-2026-80143?
No fix has been published for CVE-2026-80143 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-80143 being exploited?
There is no known exploitation of CVE-2026-80143 in the wild and no public exploit code.
Sources
Also known as GHSA-8m6g-v32x-vpvf.