Grandstream GXP1600 series VoIP phones face a severe security flaw that lets attackers seize full control without authentication. Researchers at Rapid7 disclosed CVE-2026-2329 on February 18, 2026, describing it as a stack-based buffer overflow vulnerability. This issue strikes at the heart of office communication devices, often overlooked in security scans. Attackers can exploit it remotely […] The post Grandstream VoIP Phones Flaw Allows Attackers to Gain Root-Level Access appeared first on Cyber Security News.