A cluster of 22 high-severity vulnerabilities has been identified in industrial serial-to-IP converters used to bridge legacy applications with modern IP networks. These devices are now considered high-risk targets for remote code execution and unauthorized data tampering in mission-critical environments.
The vulnerabilities, codenamed BRIDGE:BREAK, impact various models from @[Lantronix](urn:li:organization:18274) and @[Silex](urn:li:organization:51654). Exploitation allows unauthenticated attackers to gain full control of devices that mediate communication for industrial control systems and field sensors. These converters are often deployed in segments of the network that are assumed to be “internally protected” but are frequently exposed to broader enterprise segments.
The reliance on serial-to-IP bridging creates a significant attack surface in operational technology (OT) networks. When these devices are compromised, attackers can intercept, modify, or disrupt the raw serial traffic, effectively manipulating the physical process the equipment controls.
– Audit your network for exposed serial-to-IP converters and restrict their management interfaces behind a Zero Trust gateway.
– Apply firmware updates provided by @[Lantronix](urn:li:organization:18274) and @[Silex](urn:li:organization:51654) immediately.
– Implement network-level segmentation to ensure industrial converters have no direct exposure to external internet traffic.
– Monitor serial communication traffic for anomalous commands or unexpected protocol behavior indicative of man-in-the-middle tampering.
Securing the bridge between legacy industrial hardware and the modern IP-based network requires strict physical and logical isolation. #CodeDefence #ICS #OTSecurity #BRIDGEBREAK
/
