What’s Vulnerable › Vulnerabilities

CVE-2023-33020: Improper Authorization in WLAN Host

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-09-05 · updated 2026-06-17
• Weakness: CWE-285

Description

Transient DOS in WLAN Host when an invalid channel (like channel out of range) is received in STA during CSA IE.

Affected products

• Qualcomm 205 Firmware: all versions
• Qualcomm 215 Firmware: all versions
• Qualcomm 9206 Lte Firmware: all versions
• Qualcomm Apq8017 Firmware: all versions
• Qualcomm Apq8052 Firmware: all versions
• Qualcomm Apq8056 Firmware: all versions
• Qualcomm Apq8076 Firmware: all versions
• Qualcomm Ar8031 Firmware: all versions
• Qualcomm C-V2X 9150 Firmware: all versions
• Qualcomm Csra6620 Firmware: all versions
• Qualcomm Csra6640 Firmware: all versions
• Qualcomm Fastconnect 6200 Firmware: all versions
• Qualcomm Home Hub 100 Firmware: all versions
• Qualcomm Mdm9250 Firmware: all versions
• Qualcomm Mdm9628 Firmware: all versions
• Qualcomm Mdm9650 Firmware: all versions
• Qualcomm Msm8108 Firmware: all versions
• Qualcomm Msm8209 Firmware: all versions
• Qualcomm Msm8608 Firmware: all versions
• Qualcomm Msm8909W Firmware: all versions
• Qualcomm Msm8996Au Firmware: all versions
• Qualcomm Qca6174A Firmware: all versions
• Qualcomm Qca6175A Firmware: all versions
• Qualcomm Qca6554A Firmware: all versions
• Qualcomm Qca6564A Firmware: all versions
• Qualcomm Qca6564Au Firmware: all versions
• Qualcomm Qca6574 Firmware: all versions
• Qualcomm Qca6574A Firmware: all versions
• Qualcomm Qca6574Au Firmware: all versions
• Qualcomm Qca6584 Firmware: all versions

References

• https://www.qualcomm.com/company/product-security/bulletins/september-2023-bulletin
• https://www.qualcomm.com/company/product-security/bulletins/september-2023-bulletin

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