What is CVE-2022-25740?

CVE-2022-25740 is a critical-severity vulnerability in Qualcomm Mdm8207, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-04-13.

How severe is CVE-2022-25740?

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

Buffer overflow in Qualcomm Mdm8207

CVE-2022-25740

Memory corruption in modem due to buffer overwrite while building an IPv6 multicast address based on the MAC address of the iface

Vulnerability class: Buffer Overflow

Published 2023-04-13 · 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 (33.5th percentile), scored 2026-09-28.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.5% 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

Weakness classification (CWE)

References

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

Frequently asked questions

What is CVE-2022-25740?: CVE-2022-25740 is a critical-severity vulnerability in Qualcomm Mdm8207, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-04-13.
How severe is CVE-2022-25740?: Critical severity. CVSS v3 base score is 9.8 out of 10.