Vulnerability in Waveshare Rs232\/485 To Wifi Eth \(B\)
CVE-2025-63364
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 was discovered to transmit Administrator credentials in plaintext.
Published · last modified .
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:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (16.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 16.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
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
Weakness classification (CWE)
References
- drive.google.com/file/d/1AGv9KWMTB71NJfIOncuNO6FyK0UAqxmL/view (Exploit, Third Party Advisory)
- otsecverse.github.io/OTSecVerse/posts/Post-4/ (Third Party Advisory, Mitigation)
Frequently asked questions
- What is CVE-2025-63364?
- CVE-2025-63364 is a high-severity vulnerability in Waveshare Rs232\/485 To Wifi Eth \(B\), classified under Cleartext Transmission of Sensitive Information. CVSS score: 7.5/10. Published 2025-12-04.
- How severe is CVE-2025-63364?
- High severity. CVSS v3 base score is 7.5 out of 10.