CVE-2025-63362

| EUVD-2025-201260 CRITICAL
2025-12-04 [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

4
Analysis Generated
Mar 15, 2026 - 16:35 vuln.today
EUVD ID Assigned
Mar 15, 2026 - 16:35 euvd
EUVD-2025-201260
PoC Detected
Dec 15, 2025 - 15:37 vuln.today
Public exploit code
CVE Published
Dec 04, 2025 - 19:16 nvd
CRITICAL 9.8

Tags

Authentication Bypass

Description

Waveshare RS232/485 TO WIFI ETH (B) Serial to Ethernet/Wi-Fi Gateway Firmware V3.1.1.0: HW 4.3.2.1: Webpage V7.04T.07.002880.0301 allows attackers to set the Administrator password and username as blank values, allowing attackers to bypass authentication.

Analysis

Waveshare RS232/485 TO WIFI ETH (B) Serial to Ethernet/Wi-Fi Gateway Firmware V3.1.1.0: HW 4.3.2.1: Webpage V7.04T.07.002880.0301 allows attackers to set the Administrator password and username as blank values, allowing attackers to bypass authentication.

Technical Context

An authentication bypass vulnerability allows attackers to circumvent login mechanisms and gain unauthorized access without valid credentials.

Affected Products

Affected products: Waveshare Rs232\/485 To Wifi Eth \(B\) Firmware 3.1.1.0

Remediation

Implement robust authentication mechanisms. Use multi-factor authentication. Review authentication logic for bypass conditions. Remove default credentials.

Priority Score

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

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CVE-2025-63362 vulnerability details – vuln.today
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