What is CVE-2025-21426?

CVE-2025-21426 is a medium-severity vulnerability in Qualcomm Fastconnect_7800, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.6/10. Published 2025-07-08.

How severe is CVE-2025-21426?

Medium severity. CVSS v3 base score is 6.6 out of 10.

Buffer overflow in Qualcomm Fastconnect_7800

CVE-2025-21426

Memory corruption while processing camera TPG write request.

Vulnerability class: Buffer Overflow

EPSS: 0.001 (0.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L.

Affected products

Qualcomm Fastconnect_7800
Qualcomm Fastconnect_7800_firmware
Qualcomm Snapdragon_ar1_gen_1_platform
Qualcomm Snapdragon_ar1_gen_1_platform_firmware
Qualcomm Ssg2115p
Qualcomm Ssg2115p_firmware
Qualcomm Ssg2125p
Qualcomm Ssg2125p_firmware
Qualcomm Sxr1230p
Qualcomm Sxr1230p_firmware

Weakness classification (CWE)

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

References

product-security@qualcomm.com (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2025-21426?: CVE-2025-21426 is a medium-severity vulnerability in Qualcomm Fastconnect_7800, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.6/10. Published 2025-07-08.
How severe is CVE-2025-21426?: Medium severity. CVSS v3 base score is 6.6 out of 10.