What’s Vulnerable › Vulnerabilities

CVE-2021-30321

• Severity: critical (CVSS 10.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-11-12 · updated 2026-06-17
• Weakness: CWE-120

Description

Possible buffer overflow due to lack of parameter length check during MBSSID scan IE parse in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity

Affected products

• Qualcomm Aqt1000 Firmware: all versions
• Qualcomm Qca1062 Firmware: all versions
• Qualcomm Qca1064 Firmware: all versions
• Qualcomm Qca2066 Firmware: all versions
• Qualcomm Qca6320 Firmware: all versions
• Qualcomm Qca6391 Firmware: all versions
• Qualcomm Qca6420 Firmware: all versions
• Qualcomm Qca6430 Firmware: all versions
• Qualcomm Sc8280Xp Firmware: all versions
• Qualcomm Sd 8Cx Firmware: all versions
• Qualcomm Wcd9340 Firmware: all versions
• Qualcomm Wcd9341 Firmware: all versions
• Qualcomm Wcd9380 Firmware: all versions
• Qualcomm Wcd9385 Firmware: all versions
• Qualcomm Wcn3998 Firmware: all versions
• Qualcomm Wcn6850 Firmware: all versions
• Qualcomm Wcn6851 Firmware: all versions
• Qualcomm Wcn6855 Firmware: all versions
• Qualcomm Wcn6856 Firmware: all versions
• Qualcomm Wsa8810 Firmware: all versions
• Qualcomm Wsa8815 Firmware: all versions
• Qualcomm Wsa8830 Firmware: all versions
• Qualcomm Wsa8835 Firmware: all versions

References

• https://www.qualcomm.com/company/product-security/bulletins/november-2021-bulletin
• https://www.qualcomm.com/company/product-security/bulletins/november-2021-bulletin

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