What is CVE-2023-43520?

CVE-2023-43520 is a high-severity vulnerability in Qualcomm Ar8035, classified under Stack-based Buffer Overflow. CVSS score: 8.6/10. Published 2024-02-06.

How severe is CVE-2023-43520?

High severity. CVSS v3 base score is 8.6 out of 10.

Is CVE-2023-43520 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Qualcomm Ar8035

CVE-2023-43520

Memory corruption when AP includes TID to link mapping IE in the beacons and STA is parsing the beacon TID to link mapping IE.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (17.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H.

Affected products

Qualcomm Ar8035
Qualcomm Ar8035_firmware
Qualcomm Fastconnect_6900
Qualcomm Fastconnect_6900_firmware
Qualcomm Fastconnect_7800
Qualcomm Fastconnect_7800_firmware
Qualcomm Flight_rb5_5g_platform
Qualcomm Flight_rb5_5g_platform_firmware
Qualcomm Qam8255p
Qualcomm Qam8255p_firmware

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow
CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

product-security@qualcomm.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-43520?: CVE-2023-43520 is a high-severity vulnerability in Qualcomm Ar8035, classified under Stack-based Buffer Overflow. CVSS score: 8.6/10. Published 2024-02-06.
How severe is CVE-2023-43520?: High severity. CVSS v3 base score is 8.6 out of 10.
Is CVE-2023-43520 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.