TI-2025-39286 Aliases CVE-2025-63364 GHSA-hf8c-hwqf-v6q3

Waveshare RS232/485 TO WIFI ETH (B) Serial to Ethernet/Wi-Fi Gateway Firmware V3.1.1.0…

LOW 39CWE-319Published 2025-12-04 · Updated 2025-12-08

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Information disclosure
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-319.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00283 20th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:waveshare:rs232\/485_to_wifi_eth_\(b\)_firmware:3.1.1.0:::::::*	3.1.1.0	Vulnerable	Waveshare
cpe:2.3:h:waveshare:rs232\/485_to_wifi_eth_\(b\):4.3.2.1:::::::*	4.3.2.1	Running on	Waveshare

cpe:2.3:o:waveshare:rs232\/485_to_wifi_eth_\(b\)_firmware:3.1.1.0:*:*:*:*:*:*:* Versions 3.1.1.0 Vulnerable ·Waveshare
cpe:2.3:h:waveshare:rs232\/485_to_wifi_eth_\(b\):4.3.2.1:*:*:*:*:*:*:* Versions 4.3.2.1 Running on ·Waveshare

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-63364
2026-10-03 Alias added: GHSA-hf8c-hwqf-v6q3

References

Exploit 1

https://drive.google.com/file/d/1AGv9KWMTB71NJfIOncuNO6FyK0UAqxmL/view?usp=sharing

Advisory 1

https://otsecverse.github.io/OTSecVerse/posts/Post-4/

TI-2025-39284 Waveshare RS232/485 TO WIFI ETH (B) Serial to Ethernet/Wi-Fi Gateway Firmware V3.1.1.0… CVSS 3.1CRITICAL 9.8
TI-2025-39285 A lack of Management Frame Protection in Waveshare RS232/485 TO WIFI ETH (B) Serial to… CVSS 3.1HIGH 7.5
TI-2025-39283 Waveshare RS232/485 TO WIFI ETH (B) Serial to Ethernet/Wi-Fi Gateway Firmware V3.1.1.0… CVSS 3.1MEDIUM 5.7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences