CVE-2021-1903

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% 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-863

Description

Possible denial of service scenario can occur due to lack of length check on Channel Switch Announcement IE in beacon or probe response frame in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking

Affected products

Qualcomm Aqt1000 Firmware: all versions
Qualcomm Ar8031 Firmware: all versions
Qualcomm Ar8035 Firmware: all versions
Qualcomm Ar9380 Firmware: all versions
Qualcomm Csr8811 Firmware: all versions
Qualcomm Csra6620 Firmware: all versions
Qualcomm Csra6640 Firmware: all versions
Qualcomm Csrb31024 Firmware: all versions
Qualcomm Ipq4018 Firmware: all versions
Qualcomm Ipq4028 Firmware: all versions
Qualcomm Ipq4029 Firmware: all versions
Qualcomm Ipq5010 Firmware: all versions
Qualcomm Ipq5018 Firmware: all versions
Qualcomm Ipq6000 Firmware: all versions
Qualcomm Ipq6005 Firmware: all versions
Qualcomm Ipq6010 Firmware: all versions
Qualcomm Ipq6018 Firmware: all versions
Qualcomm Ipq6028 Firmware: all versions
Qualcomm Ipq8064 Firmware: all versions
Qualcomm Ipq8069 Firmware: all versions
Qualcomm Ipq8070 Firmware: all versions
Qualcomm Ipq8070A Firmware: all versions
Qualcomm Ipq8071 Firmware: all versions
Qualcomm Ipq8071A Firmware: all versions
Qualcomm Ipq8072 Firmware: all versions
Qualcomm Ipq8072A Firmware: all versions
Qualcomm Ipq8074 Firmware: all versions
Qualcomm Ipq8074A Firmware: all versions
Qualcomm Ipq8076 Firmware: all versions
Qualcomm Ipq8076A Firmware: all versions

References

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