cha0yang1/UTT-nv810v4-telnet-backdoor

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CVE History

CVE	Published	CVSS v3	CVSS v2
CVE-2025-70998 ↗	Feb 18, 2026Wednesday, 18 February 2026, 16:22	9.8 CRITICAL	—
UTT HiPER 810 / nv810v4 router firmware v1.5.0-140603 was discovered to contain insecure default credentials for the telnet service, possibly allowing a remote attacker to gain root access via a crafted script.