CVE-2026-0837

HIGH
2026-01-11 [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 - 21:54 vuln.today
PoC Detected
Jan 13, 2026 - 22:03 vuln.today
Public exploit code
CVE Published
Jan 11, 2026 - 05:15 nvd
HIGH 8.8

Tags

Buffer Overflow 520w Firmware

Description

A vulnerability was identified in UTT 进取 520W 1.7.7-180627. This affects the function strcpy of the file /goform/formFireWall. Such manipulation of the argument GroupName leads to buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Analysis

Remote code execution in UTT 520W Firmware 1.7.7-180627 via buffer overflow in the /goform/formFireWall endpoint allows authenticated attackers to achieve full system compromise through a malicious GroupName parameter. Public exploit code exists for this vulnerability and the vendor has not released a patch despite early notification. …

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Remediation

Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.

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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-2026-0837 vulnerability details – vuln.today
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