What is CVE-2023-28561?

CVE-2023-28561 is a critical-severity vulnerability in Qualcomm Qcn7606, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-08-08.

How severe is CVE-2023-28561?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Qualcomm Qcn7606

CVE-2023-28561

Memory corruption in QESL while processing payload from external ESL device to firmware.

Vulnerability class: Buffer Overflow

Published 2023-08-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (36.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Qualcomm Qcn7606
Qualcomm Qcn7606 Firmware
Qualcomm, Inc. Snapdragon — versions QCN7606

Weakness classification (CWE)

References

www.qualcomm.com/company/product-security/bulletins/august-2023-bulletin (Vendor Advisory)

Frequently asked questions

What is CVE-2023-28561?: CVE-2023-28561 is a critical-severity vulnerability in Qualcomm Qcn7606, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-08-08.
How severe is CVE-2023-28561?: Critical severity. CVSS v3 base score is 9.8 out of 10.