CVE-2025-70998

CVSS Score & Metrics

Base Score

9.8 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H                                    

Vulnerability Description

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.

Vulnerability Details

Published Date

February 18, 2026

Last Modified

February 19, 2026

CWE ID

CWE-1188

Source

NVD

Vendor

utt

Product

810_firmware

External References

https://github.com/cha0yang1/UTT-nv810v4-telnet-backdoor

CVSS Score & Metrics

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