Cyber Resilience

CVE-2022-40540

High

Published: 10 March 2023

Published
10 March 2023
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0015 34.7th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-40540 is a high-severity Classic Buffer Overflow (CWE-120) vulnerability in Qualcomm Sd 8 Gen1 5G Firmware. Its CVSS base score is 8.4 (High).

Operationally, ranked at the 34.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Memory corruption due to buffer copy without checking the size of input while loading firmware in Linux Kernel.

CWE(s)
CWE-120

Related Threats

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

Affected Assets

qualcomm
sd 8 gen1 5g firmware
all versions
qualcomm
sd888 5g firmware
all versions
qualcomm
sw5100 firmware
all versions
qualcomm
sw5100p firmware
all versions
qualcomm
wcd9380 firmware
all versions
qualcomm
wcd9385 firmware
all versions
qualcomm
wcn3980 firmware
all versions
qualcomm
wcn3988 firmware
all versions
qualcomm
wcn6850 firmware
all versions
qualcomm
wcn6851 firmware
all versions
+6 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.

SC-27 Platform-independent Applications
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