Cyber Resilience

CVE-2023-43556

Critical

Published: 03 June 2024

Published
03 June 2024
Modified
11 August 2025
KEV Added
—
Patch
—
CVSS Score v3.1 9.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS Score 0.0006 17.6th percentile
Risk Priority 19 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-43556 is a critical-severity Classic Buffer Overflow (CWE-120) vulnerability in Qualcomm Ar8035 Firmware. Its CVSS base score is 9.3 (Critical).

Operationally, ranked at the 17.6th 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 Hypervisor when platform information mentioned is not aligned.

CWE(s)
CWE-120

Related Threats

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

Affected Assets

qualcomm
ar8035 firmware
all versions
qualcomm
fastconnect 6700 firmware
all versions
qualcomm
fastconnect 6900 firmware
all versions
qualcomm
fastconnect 7800 firmware
all versions
qualcomm
flight rb5 5g firmware
all versions
qualcomm
qam8295p firmware
all versions
qualcomm
qca6391 firmware
all versions
qualcomm
qca6574au firmware
all versions
qualcomm
qca6595 firmware
all versions
qualcomm
qca6696 firmware
all versions
+58 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