CISA Adds Actively Exploited Sierra Wireless Router Flaw Enabling RCE Attacks

Dec 13, 2025

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added a high-severity flaw impacting Sierra Wireless AirLink ALEOS routers to its Known Exploited Vulnerabilities (KEV) catalog, following reports of active exploitation in the wild.
CVE-2018-4063 (CVSS score: 8.8/9.9) refers to an unrestricted file upload vulnerability that could be exploited to achieve remote code

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