Cyber Resilience

CVE-2021-35129

High

Published: 14 June 2022

Published
14 June 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0011 29.1th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-35129 is a high-severity Classic Buffer Overflow (CWE-120) vulnerability in Qualcomm Ar8035 Firmware. Its CVSS base score is 7.8 (High).

Operationally, ranked at the 29.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Memory corruption in BT controller due to improper length check while processing vendor specific commands in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

qualcomm
ar8035 firmware
all versions
qualcomm
ipq5010 firmware
all versions
qualcomm
ipq5018 firmware
all versions
qualcomm
ipq5028 firmware
all versions
qualcomm
qca2062 firmware
all versions
qualcomm
qca2064 firmware
all versions
qualcomm
qca2065 firmware
all versions
qualcomm
qca2066 firmware
all versions
qualcomm
qca6391 firmware
all versions
qualcomm
qca8081 firmware
all versions
+35 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-120

Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.

References