CVE-2025-70998

CRITICAL
2026-02-18 [email protected]
9.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
PoC Detected
Feb 19, 2026 - 18:47 vuln.today
Public exploit code
CVE Published
Feb 18, 2026 - 16:22 nvd
CRITICAL 9.8

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.

Analysis

Insecure default telnet credentials in UTT HiPER 810 router firmware v1.5.0. Default credentials are publicly known, enabling unauthenticated access to the router management. PoC available.

Technical Context

CWE-1188 insecure default initialization. The router ships with known default telnet credentials and may have telnet enabled by default.

Affected Products

['UTT HiPER 810 firmware v1.5.0-140603']

Remediation

Change default credentials. Disable telnet in favor of SSH. Update firmware.

Priority Score

69
Low Medium High Critical
KEV: 0
EPSS: +0.2
CVSS: +49
POC: +20

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CVE-2025-70998 vulnerability details – vuln.today

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