CVE-2025-63362 — CRITICAL (9.8)

Vulnerability 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.

CVSS Score

9.8

CRITICAL

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

Affected Products

Vendor	Product	Versions
Waveshare	Rs232\/485 To Wifi Eth \(B\) Firmware	3.1.1.0
Waveshare	Rs232\/485 To Wifi Eth \(B\)	4.3.2.1

Related Weaknesses (CWE)

CWE-620

References

https://drive.google.com/file/d/1AGv9KWMTB71NJfIOncuNO6FyK0UAqxmL/view?usp=shariExploitThird Party Advisory
https://otsecverse.github.io/OTSecVerse/posts/Post-2/ExploitThird Party Advisory

FAQ

What is CVE-2025-63362?

CVE-2025-63362 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 bla...

How severe is CVE-2025-63362?

CVE-2025-63362 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-63362?

Check the references section above for vendor advisories and patch information. Affected products include: Waveshare Rs232\/485 To Wifi Eth \(B\) Firmware, Waveshare Rs232\/485 To Wifi Eth \(B\).