Remote Code Execution in Sierra Wireless AirLink ES450 Firmware
CVE-2018-4063

8.8HIGH

Key Information:

Vendor: Sierrawireless
Status: Sierra Wireless
Vendor: CVE Published:; 6 May 2019

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👾 Exploit Exists🦅 CISA Reported

What is CVE-2018-4063?

A serious remote code execution vulnerability affects the upload.cgi functionality within the Sierra Wireless AirLink ES450 firmware version 4.9.3. Attackers can exploit this vulnerability by sending specially crafted HTTP requests that allow them to upload executable files to the web server. Once successfully uploaded, this code can be executed, compromising the integrity of the device. Authentication is required to exploit this vulnerability, posing a significant risk to network security if not addressed promptly.

CISA has reported CVE-2018-4063

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed CVE-2018-4063 as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

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