What’s Vulnerable › Vulnerabilities

CVE-2025-21429: 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

Memory corruption occurs while connecting a STA to an AP and initiating an ADD TS request.

Affected products

• Qualcomm 9206 Lte Modem Firmware: all versions
• Qualcomm Apq8017 Firmware: all versions
• Qualcomm Apq8064Au Firmware: all versions
• Qualcomm Aqt1000 Firmware: all versions
• Qualcomm Ar8035 Firmware: all versions
• Qualcomm C-V2X 9150 Firmware: all versions
• Qualcomm Csra6620 Firmware: all versions
• Qualcomm Csra6640 Firmware: all versions
• Qualcomm Csrb31024 Firmware: all versions
• Qualcomm Fastconnect 6200 Firmware: all versions
• Qualcomm Fastconnect 6700 Firmware: all versions
• Qualcomm Fastconnect 6800 Firmware: all versions
• Qualcomm Fastconnect 6900 Firmware: all versions
• Qualcomm Fastconnect 7800 Firmware: all versions
• Qualcomm Mdm9250 Firmware: all versions
• Qualcomm Mdm9628 Firmware: all versions
• Qualcomm Mdm9640 Firmware: all versions
• Qualcomm Mdm9650 Firmware: all versions
• Qualcomm Msm8996Au Firmware: all versions
• Qualcomm Qam8255P Firmware: all versions
• Qualcomm Qam8650P Firmware: all versions
• Qualcomm Qam8775P Firmware: all versions
• Qualcomm Qca6174A Firmware: all versions
• Qualcomm Qca6175A Firmware: all versions
• Qualcomm Qca6391 Firmware: all versions
• Qualcomm Qca6420 Firmware: all versions
• Qualcomm Qca6421 Firmware: all versions
• Qualcomm Qca6426 Firmware: all versions
• Qualcomm Qca6430 Firmware: all versions
• Qualcomm Qca6431 Firmware: all versions

References

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

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