CVE-2025-3461

CRITICAL

onsemi Quantenna Wi-Fi Firmware - Unauthenticated Remote Access via Telnet Interface

Title source: llm
STIX 2.1

Description

The Quantenna Wi-Fi chips ship with an unauthenticated telnet interface by default. This is an instance of CWE-306, "Missing Authentication for Critical Function," and is estimated as a CVSS 9.1 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N). This issue affects Quantenna Wi-Fi chipset through version 8.0.0.28 of the latest SDK, and appears to be unpatched at the time of this CVE record's first publishing, though the vendor has released a best practices guide for implementors of this chipset.

References (2)

Core 2
Core References
Exploit, Third Party Advisory third-party-advisory
https://takeonme.org/cves/cve-2025-3461/

Scores

CVSS v3 9.1
EPSS 0.0050
EPSS Percentile 39.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-306
Status published
Products (18)
onsemi/qcs-ax2-a12_firmware
onsemi/qcs-ax2-s5_firmware
onsemi/qcs-ax2-t12_firmware
onsemi/qcs-ax2-t8_firmware
onsemi/qcs-ax3-a12_firmware
onsemi/qcs-ax3-s5_firmware
onsemi/qcs-ax3-t12_firmware
onsemi/qcs-ax3-t8_firmware
onsemi/qd840_firmware
onsemi/qhs710_firmware
... and 8 more
Published Jun 08, 2025
Tracked Since Feb 18, 2026