What’s Vulnerable › Vulnerabilities

CVE-2025-21434: Buffer Over-read in WLAN Host

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-04-07 · updated 2026-06-17
• Weakness: CWE-126

Description

Transient DOS may occur while parsing EHT operation IE or EHT capability IE.

Affected products

• Qualcomm Ar8035 Firmware: all versions
• Qualcomm Fastconnect 6700 Firmware: all versions
• Qualcomm Fastconnect 6900 Firmware: all versions
• Qualcomm Fastconnect 7800 Firmware: all versions
• Qualcomm Qam8255P Firmware: all versions
• Qualcomm Qam8295P Firmware: all versions
• Qualcomm Qam8620P Firmware: all versions
• Qualcomm Qam8650P Firmware: all versions
• Qualcomm Qam8775P Firmware: all versions
• Qualcomm Qamsrv1H Firmware: all versions
• Qualcomm Qamsrv1M Firmware: all versions
• Qualcomm Qca6391 Firmware: all versions
• Qualcomm Qca6554A Firmware: all versions
• Qualcomm Qca6564Au Firmware: all versions
• Qualcomm Qca6574 Firmware: all versions
• Qualcomm Qca6574A Firmware: all versions
• Qualcomm Qca6574Au Firmware: all versions
• Qualcomm Qca6584Au Firmware: all versions
• Qualcomm Qca6595 Firmware: all versions
• Qualcomm Qca6595Au Firmware: all versions
• Qualcomm Qca6678Aq Firmware: all versions
• Qualcomm Qca6688Aq Firmware: all versions
• Qualcomm Qca6696 Firmware: all versions
• Qualcomm Qca6698Aq Firmware: all versions
• Qualcomm Qca6777Aq Firmware: all versions
• Qualcomm Qca6787Aq Firmware: all versions
• Qualcomm Qca6797Aq Firmware: all versions
• Qualcomm Qca8081 Firmware: all versions
• Qualcomm Qca8337 Firmware: all versions
• Qualcomm Qcc2073 Firmware: all versions

References

• https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2025-bulletin.html

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