CVE-2025-70998

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…

Critical · published February 18, 2026

CVSS v3.1
9.8
EPSS
0%
Percentile
41.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00492 · 41.4th percentile
Published
2026-02-18T00:00Z
EPSS history
Timeline
  • 18 FEB 00:00Z
    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…
    cvelistv5