What is CVE-2025-21443?

CVE-2025-21443 is a high-severity vulnerability in Qualcomm Qam8255p, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2025-04-07.

How severe is CVE-2025-21443?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Qualcomm Qam8255p

CVE-2025-21443

Memory corruption while processing message content in eAVB.

Vulnerability class: Buffer Overflow

EPSS: 0.001 (0.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Qualcomm Qam8255p
Qualcomm Qam8255p_firmware
Qualcomm Qam8295p
Qualcomm Qam8295p_firmware
Qualcomm Qam8620p
Qualcomm Qam8620p_firmware
Qualcomm Qam8650p
Qualcomm Qam8650p_firmware
Qualcomm Qam8775p
Qualcomm Qam8775p_firmware

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

product-security@qualcomm.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-21443?: CVE-2025-21443 is a high-severity vulnerability in Qualcomm Qam8255p, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2025-04-07.
How severe is CVE-2025-21443?: High severity. CVSS v3 base score is 7.8 out of 10.