What is CVE-2023-43535?

CVE-2023-43535 is a high-severity vulnerability in Qualcomm Fastconnect 6700, classified under Improper Validation of Array Index. CVSS score: 8.4/10. Published 2024-02-06.

How severe is CVE-2023-43535?

High severity. CVSS v3 base score is 8.4 out of 10.

Is CVE-2023-43535 known to be exploited?

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

Vulnerability in Qualcomm Fastconnect 6700

CVE-2023-43535

Memory corruption when negative display IDs are sent as input while processing DISPLAYESCAPE event trigger.

Published 2024-02-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (1.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-129 — Improper Validation of Array Index

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

www.qualcomm.com/company/product-security/bulletins/february-2024-bulletin (Vendor Advisory)

Frequently asked questions

What is CVE-2023-43535?: CVE-2023-43535 is a high-severity vulnerability in Qualcomm Fastconnect 6700, classified under Improper Validation of Array Index. CVSS score: 8.4/10. Published 2024-02-06.
How severe is CVE-2023-43535?: High severity. CVSS v3 base score is 8.4 out of 10.
Is CVE-2023-43535 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.