A critical command validation vulnerability located within an embedded hardware communication manager has come under active wild exploitation, forcing federal regulatory intervention. The defect allows remote unauthenticated actors to bypass gateway parameters to execute raw operating system commands with full administrative access.
Tracked as CVE-2025-67038, the vulnerability impacts Lantronix EDS5000 Series device converters. The flaw resides inside the HTTP RPC authentication module, which calls an internal shell command to document logging fields whenever an access step fails. Because the application routine directly joins the incoming username parameter with the terminal execution command without using input filters, an attacker can submit malformed strings containing terminal control characters to claim direct root command execution. The issue was mapped by Forescout Research under the BRIDGE:BREAK project identifier.
Subverting a hardware gateway converter at the border layer exposes underlying industrial networks to persistent intrusion risks. Because serial-to-IP controllers route commands between corporate infrastructure zones and operational technology devices, a root level appliance takeover lets threat networks analyze local device interaction records, copy data, and plant covert access pathways into staging pipelines.
– Move affected hardware terminal management panels away from open public internet routing paths immediately.
– Deploy the designated firmware update patches and software fixes provided by the manufacturer before regulatory deadlines close.
– Scan boundary network connection logs for failed connection queries containing shell control symbols inside the username text input field.
– Gate boundary asset control panels exclusively within protected local management segments that require strict authentication steps.
Boundary infrastructure protection relies on applying deep input filters over string arrays to ensure that administrative logging processes cannot be manipulated into executing untrusted system commands. #CodeDefence #Lantronix #BRIDGEBREAK #CommandInjection #CISA #KEV
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