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.
This vulnerability carries a CRITICAL severity rating with a CVSS v3.1 score of 9.1, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), for affected systems. Impacting 36 products from onsemi, from onsemi, from onsemi and 33 others, organizations running these solutions should prioritize assessment and patching.
Reported in 2025, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.
2025-06-08T21:15:33.030
2026-06-17T09:19:59.700
Analyzed
CVSSv3.1: 9.1 (CRITICAL)
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | onsemi | qhs710_firmware | - | Yes |
| Hardware | onsemi | qhs710 | - | No |
| Operating System | onsemi | qsr10ga_firmware | - | Yes |
| Hardware | onsemi | qsr10ga | - | No |
| Operating System | onsemi | qsr10gu_firmware | - | Yes |
| Hardware | onsemi | qsr10gu | - | No |
| Operating System | onsemi | qv840_firmware | - | Yes |
| Hardware | onsemi | qv840 | - | No |
| Operating System | onsemi | qv840c_firmware | - | Yes |
| Hardware | onsemi | qv840c | - | No |
| Operating System | onsemi | qv860_firmware | - | Yes |
| Hardware | onsemi | qv860 | - | No |
| Operating System | onsemi | qv940_firmware | - | Yes |
| Hardware | onsemi | qv940 | - | No |
| Operating System | onsemi | qv942c_firmware | - | Yes |
| Hardware | onsemi | qv942c | - | No |
| Operating System | onsemi | qv952c_firmware | - | Yes |
| Hardware | onsemi | qv952c | - | No |
| Operating System | onsemi | qcs-ax2-s5_firmware | - | Yes |
| Hardware | onsemi | qcs-ax2-s5 | - | No |
| Operating System | onsemi | qcs-ax3-a12_firmware | - | Yes |
| Hardware | onsemi | qcs-ax3-a12 | - | No |
| Operating System | onsemi | qcs-ax3-t12_firmware | - | Yes |
| Hardware | onsemi | qcs-ax3-t12 | - | No |
| Operating System | onsemi | qcs-ax3-t8_firmware | - | Yes |
| Hardware | onsemi | qcs-ax3-t8 | - | No |
| Operating System | onsemi | qcs-ax3-s5_firmware | - | Yes |
| Hardware | onsemi | qcs-ax3-s5 | - | No |
| Operating System | onsemi | qcs-ax2-a12_firmware | - | Yes |
| Hardware | onsemi | qcs-ax2-a12 | - | No |
| Operating System | onsemi | qcs-ax2-t12_firmware | - | Yes |
| Hardware | onsemi | qcs-ax2-t12 | - | No |
| Operating System | onsemi | qcs-ax2-t8_firmware | - | Yes |
| Hardware | onsemi | qcs-ax2-t8 | - | No |
| Operating System | onsemi | qd840_firmware | - | Yes |
| Hardware | onsemi | qd840 | - | No |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For onsemi's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.