What is CVE-2025-63362?

CVE-2025-63362 is a critical-severity vulnerability in Waveshare Rs232\/485_to_wifi_eth_\(b\), classified under CWE-620. CVSS score: 9.8/10. Published 2025-12-04.

How severe is CVE-2025-63362?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Waveshare Rs232\/485_to_wifi_eth_\(b\)

CVE-2025-63362

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…

EPSS: 0.005 (39.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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)

CWE-620

References

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

Frequently asked questions

What is CVE-2025-63362?: CVE-2025-63362 is a critical-severity vulnerability in Waveshare Rs232\/485_to_wifi_eth_\(b\), classified under CWE-620. CVSS score: 9.8/10. Published 2025-12-04.
How severe is CVE-2025-63362?: Critical severity. CVSS v3 base score is 9.8 out of 10.