CVE-2025-70998: Critical severity UTT HiPER 810 / nv810v4 vulnerability

Published Feb 18, 2026
·
Updated

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.

Affected Software

3 affected components
UTT HiPER 810 / nv810v4
All of the following
UTT 810 Firmware=1.5.0-140603
UTT 810=4.0

Event History

Feb 18, 2026
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·04:22 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-70998?

CVE-2025-70998 has a high severity due to the presence of insecure default credentials allowing remote access.

2

How do I fix CVE-2025-70998?

To fix CVE-2025-70998, change the default telnet credentials immediately and disable the telnet service if not needed.

3

What vulnerabilities are associated with CVE-2025-70998?

CVE-2025-70998 is associated with the use of default credentials for the telnet service which may allow unauthorized remote access.

4

Who is affected by CVE-2025-70998?

Users of the UTT HiPER 810 / nv810v4 routers running firmware v1.5.0-140603 are affected by CVE-2025-70998.

5

Can CVE-2025-70998 be exploited remotely?

Yes, CVE-2025-70998 can be exploited remotely by an attacker leveraging the insecure default telnet credentials.

Contact

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