What is CVE-2025-63363?

CVE-2025-63363 is a high-severity vulnerability in Waveshare Rs232\/485 To Wifi Eth \(B\), classified under Improper Access Control. CVSS score: 7.5/10. Published 2025-12-04.

How severe is CVE-2025-63363?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Waveshare Rs232\/485 To Wifi Eth \(B\)

CVE-2025-63363

A lack of Management Frame Protection in 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 execute de-authentication attacks, allowing crafted deauthentication and disassociation frames to be broadcast without authentication or encryption.

EPSS: 0.003 (20.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Waveshare Rs232\/485_to_wifi_eth_\(b\) — versions 4.3.2.1
Waveshare Rs232\/485_to_wifi_eth_\(b\)_firmware — versions 3.1.1.0
N/a — versions n/a

Weakness classification (CWE)

References

cve@mitre.org (Exploit, Third Party Advisory)
cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2025-63363?: CVE-2025-63363 is a high-severity vulnerability in Waveshare Rs232\/485 To Wifi Eth \(B\), classified under Improper Access Control. CVSS score: 7.5/10. Published 2025-12-04.
How severe is CVE-2025-63363?: High severity. CVSS v3 base score is 7.5 out of 10.