CISA has issued an urgent advisory concerning a newly disclosed zero-day vulnerability in Meta Platforms’ WhatsApp messaging service (CVE-2025-55177). This flaw, categorized under CWE-863: Incorrect Authorization, allows an unauthorized actor to manipulate linked device synchronization messages and force a target device to fetch and process content from an attacker-controlled URL. Key Takeaways1. CVE-2025-55177 exploits a […]
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