CVE-2026-1137

HIGH
2026-01-19 [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
Feb 04, 2026 - 20:39 vuln.today
Public exploit code
CVE Published
Jan 19, 2026 - 05:16 nvd
HIGH 8.8

Tags

Buffer Overflow 520w Firmware

Description

A vulnerability was detected in UTT 进取 520W 1.7.7-180627. Affected by this issue is the function strcpy of the file /goform/formWebAuthGlobalConfig. Performing a manipulation results in buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may 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 versions through 1.7.7-180627 stems from a buffer overflow in the /goform/formWebAuthGlobalConfig endpoint, allowing authenticated attackers to execute arbitrary code with network access. Public exploit code is available for this vulnerability, and no patches have been released despite vendor 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-2026-1137 vulnerability details – vuln.today
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