CVE-2025-67038KEV · OVERDUECWE-78command-injectioncode-injection

Lantronix EDS5000 Code Injection Vulnerability

Critical · published March 11, 2026

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 9.8. It is confirmed in active exploitation. It sits in the 97.4th percentile for exploit probability.

120
days past CISA
deadline
CVSS v3.1
9.8
EPSS
20%
Percentile
97.4
In the wild
Confirmed
What it is

🚨 A simple username could spell disaster! The HTTP RPC module in Lantronix EDS5000 2.1.0.0R3 executes shell commands using untrusted input—like a chef cooking with mystery ingredients from the dumpster! 🔥 Think of it as a restaurant where the waiter writes down orders without checking the menu—if a customer slips in a secret recipe, the chef could whip up something disastrous. This vulnerability allows attackers to inject any command they want, and they get served right from the kitchen with root privileges! An attacker could gain complete control of the system, executing arbitrary commands that can lead to a complete system compromise. Imagine someone turning off the security alarms and making themselves the head chef—they could do anything from stealing data to completely frying the system!

Put simply

Think of it as a restaurant where the waiter writes down orders without checking the menu—if a customer slips in a secret recipe, the chef could whip up something disastrous. This vulnerability allows attackers to inject any command they want, and they get served right from the kitchen with root privileges! This vulnerability arises because the HTTP RPC module concatenates the username directly into a shell command without any form of sanitization, allowing for command injection with root privileges.

What to do

An attacker could gain complete control of the system, executing arbitrary commands that can lead to a complete system compromise. Imagine someone turning off the security alarms and making themselves the head chef—they could do anything from stealing data to completely frying the system! Immediate action is required: update to a patched version of the firmware as soon as it's available. In the meantime, limit access to the device to trusted users only and monitor logs for any suspicious activity. Don't wait—secure your kitchen now! You've got this! Follow these steps and your system will be cooking safe and sound in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.19956 · 97.4th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-03-11T21:16Z
KEV added
2026-06-23 · due 2026-06-26
Affected products (33)
ProductVersionsFixed in
lantronix/eds5008_firmware< 2.2.0.0r12.2.0.0r1
lantronix/eds5016_firmware< 2.2.0.0r12.2.0.0r1
lantronix/eds5032_firmware< 2.2.0.0r12.2.0.0r1
lantronix/g526gp12s_firmware< 2.6.0.4R62.6.0.4R6
lantronix/g526gp17s_firmware< 2.6.0.4R62.6.0.4R6
lantronix/g526gp1cs_firmware< 2.6.0.4R62.6.0.4R6
lantronix/g526gp1asg_firmware< 2.6.0.4R62.6.0.4R6
lantronix/g526gp1as_firmware< 2.6.0.4R62.6.0.4R6
lantronix/g527gp22s_firmware< 2.6.0.4R62.6.0.4R6
lantronix/g527gp27s_firmware< 2.6.0.4R62.6.0.4R6
lantronix/g527gp2as_firmware< 2.6.0.4R62.6.0.4R6
lantronix/g527gp2asg_firmware< 2.6.0.4R62.6.0.4R6
lantronix/g528gp2fs_firmware< 2.6.0.4R62.6.0.4R6
lantronix/g528gp2fsg_firmware< 2.6.0.4R62.6.0.4R6
lantronix/g528gp2fsgc_firmware< 2.6.0.4R62.6.0.4R6
lantronix/x300f202s_firmware< 2.6.0.4R62.6.0.4R6
lantronix/x303f202s_firmware< 2.6.0.4R62.6.0.4R6
lantronix/x304g00as_firmware< 2.6.0.4R62.6.0.4R6
lantronix/x304g000s_firmware< 2.6.0.4R62.6.0.4R6
lantronix/x304g002s_firmware< 2.6.0.4R62.6.0.4R6
lantronix/x304g007s_firmware< 2.6.0.4R62.6.0.4R6
lantronix/x304g00cs_firmware< 2.6.0.4R62.6.0.4R6
lantronix/e228g002s_firmware< 3.21.0.0R13.21.0.0R1
lantronix/e228g004s_firmware< 3.21.0.0R13.21.0.0R1
lantronix/e228g00cb28_firmware< 3.21.0.0R13.21.0.0R1
lantronix/e228g00cs_firmware< 3.21.0.0R13.21.0.0R1
lantronix/e213f102s_firmware< 3.21.0.0R13.21.0.0R1
lantronix/e214f002s_firmware< 3.21.0.0R13.21.0.0R1
lantronix/e214f00cs_firmware< 3.21.0.0R13.21.0.0R1
lantronix/e214g000s_firmware< 3.21.0.0R13.21.0.0R1
lantronix/e214g001s_firmware< 3.21.0.0R13.21.0.0R1
lantronix/e218f004s_firmware< 3.21.0.0R13.21.0.0R1
lantronix/e218g107s_firmware< 3.21.0.0R13.21.0.0R1
References (4)
EPSS history
Timeline
  • 23 JUN 00:00Z
    Added to CISA KEV — remediate by Jun 26
    kev
  • 11 MAR 00:00Z
    An issue was discovered in Lantronix EDS5000 2.1.0.0R3
    cvelistv5