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CVE-2025-63363

Waveshare Rs232/485 To Wifi Eth (b) Firmware broken access control

7.5 HIGHPublic exploitEPSS 0.28%
  1. Published4 Dec 2025

Description

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityNone
IntegrityNone
AvailabilityHigh
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) Firmware3.1.1.0

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2025-63363 being actively exploited?

CVE-2025-63363 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.28%.

How severe is CVE-2025-63363?

CVE-2025-63363 has a CVSS 3.1 base score of 7.5, rated high. EPSS estimates a 0.28% probability of exploitation.

Which products are affected by CVE-2025-63363?

Affected products include Waveshare Rs232/485 To Wifi Eth (b) Firmware.

How do I fix CVE-2025-63363?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-63363 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.