What’s Vulnerable › Vulnerabilities

CVE-2020-11256

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-06-09 · updated 2026-06-17
• Weakness: CWE-119

Description

Memory corruption due to lack of check of validation of pointer to buffer passed to trustzone in Snapdragon Wired Infrastructure and Networking

Affected products

• Qualcomm Ar7420 Firmware: all versions
• Qualcomm Ar9580 Firmware: all versions
• Qualcomm Csr8811 Firmware: all versions
• Qualcomm Ipq4018 Firmware: all versions
• Qualcomm Ipq4019 Firmware: all versions
• Qualcomm Ipq4028 Firmware: all versions
• Qualcomm Ipq4029 Firmware: all versions
• Qualcomm Qca10901 Firmware: all versions
• Qualcomm Qca4024 Firmware: all versions
• Qualcomm Qca7500 Firmware: all versions
• Qualcomm Qca7520 Firmware: all versions
• Qualcomm Qca7550 Firmware: all versions
• Qualcomm Qca8075 Firmware: all versions
• Qualcomm Qca9880 Firmware: all versions
• Qualcomm Qca9886 Firmware: all versions
• Qualcomm Qca9888 Firmware: all versions
• Qualcomm Qca9889 Firmware: all versions
• Qualcomm Qca9898 Firmware: all versions
• Qualcomm Qca9984 Firmware: all versions
• Qualcomm Qca9992 Firmware: all versions
• Qualcomm Qca9994 Firmware: all versions
• Qualcomm Qcn3018 Firmware: all versions
• Qualcomm Qfe1922 Firmware: all versions
• Qualcomm Qfe1952 Firmware: all versions
• Qualcomm Wcd9340 Firmware: all versions
• Qualcomm Wsa8810 Firmware: all versions

References

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

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