HOMEVULNERABILITIESCVE-2025-63363
HIGH

CVE-2025-63363

CWE-284Published: December 4, 2025· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2025-63363 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

waveshare2 product(s)
rs232\/485 to wifi eth \(b\) firmwarers232\/485 to wifi eth \(b\)
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://drive.google.com/file/d/1AGv9KWMTB71NJfIOncuNO6FyK0UAqxmL/view?usp=sharing
ADVISORYhttps://otsecverse.github.io/OTSecVerse/posts/Post-3/

All References (2)

→
https://drive.google.com/file/d/1AGv9KWMTB71NJfIOncuNO6FyK0UAqxmL/view?usp=sharingExploit · Third Party Advisory
→
https://otsecverse.github.io/OTSecVerse/posts/Post-3/Third Party Advisory

Quick Facts

CVE IDCVE-2025-63363
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-284
CISA KEVNo
Affected1 vendor(s)
PublishedDec 4, 2025

Related CVEs (CWE-284)

CVE-2026-30966
10.0
CVE-2026-0881
10.0
CVE-2026-34444
10.0
CVE-2025-54339
10.0
CVE-2026-21636
10.0
CVE-2026-35435
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2025-63363 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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