Tag: VoIP phishing

CVE-2026-2329: Critical Unauthenticated Stack Buffer Overflow in Grandstream GXP1600 VoIP Phones (FIXED)

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Rapid7 Labs conducted a zero-day research project against the Grandstream GXP1600 series of Voice over Internet Protocol (VoIP) phones. This research resulted in the discovery of a critical unauthenticated stack-based buffer overflow vulnerability, CVE-2026-2329. A remote attacker can leverage CVE-2026-2329 Read More …

FBI and CISA warn of major wave of vishing attacks targeting teleworkers

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The Federal Bureau of Investigation (FBI) and the Cybersecurity and Infrastructure Security Agency (CISA) have issued a joint security advisory on Thursday, warning about an ongoing wave of vishing attacks targeting the US private sector. Vishing, or voice phishing, is Read More …