CVE-2025-70998CRITICAL 9.8EPSS p33.8%

CVE-2025-70998CVE-2025-70998

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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.42% probability of exploitation · percentile 33.8% · 2026-06-19T12:03:05Z
Published2026-02-18
Last modified2026-02-19

Underlying weaknesses· 1

CWE-1188

References

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

1

TypeTargetConfidenceTier
WeaknessInitialization of a Resource with an Insecure Defaultcwe-11880%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.