CVE-2026-3698

HIGH
2026-03-08 [email protected]
8.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
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
Mar 10, 2026 - 15:21 vuln.today
Public exploit code
CVE Published
Mar 08, 2026 - 02:16 nvd
HIGH 8.8

Tags

Buffer Overflow 810g Firmware

Description

A vulnerability was identified in UTT HiPER 810G up to 1.7.7-171114. This affects the function strcpy of the file /goform/NTP. The manipulation leads to buffer overflow. The attack may be initiated remotely. The exploit is publicly available and might be used.

Analysis

A buffer overflow in the NTP configuration handler of UTT HiPER 810G firmware versions up to 1.7.7-171114 enables authenticated remote attackers to achieve complete system compromise through memory corruption. Public exploit code exists for this vulnerability, and no patch is currently available. …

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Remediation

Within 24 hours: Inventory all UTT HiPER 810G devices and isolate affected units from production networks if possible; enable enhanced monitoring for suspicious NTP requests. Within 7 days: Implement network segmentation to restrict access to the /goform/NTP endpoint; deploy WAF rules to block malformed requests to this function. …

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Priority Score

64
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +44
POC: +20

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CVE-2026-3698 vulnerability details – vuln.today
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