CISA Adds Sierra Router Vulnerability to KEV Catalog Amid Active Exploitation

First seen 15 Dec 2025, 08:46 UTC • Gbhackers

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CISA has added a critical vulnerability affecting Sierra Wireless routers to its KEV catalog due to evidence of active exploitation. Organizations using these legacy devices are urged to take immediate action to mitigate risks. The vulnerability, tracked as CVE-2018-4063, involves an unrestricted file upload flaw.

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CISA Adds Sierra Router Vulnerability to KEV Catalog Amid Active Exploitation

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