What is CVE-2025-27058?

CVE-2025-27058 is a high-severity vulnerability in Qualcomm Fastconnect_6900, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2025-07-08.

How severe is CVE-2025-27058?

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

Buffer overflow in Qualcomm Fastconnect_6900

CVE-2025-27058

Memory corruption while processing packet data with exceedingly large packet.

Vulnerability class: Buffer Overflow

EPSS: 0.001 (0.5th 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 Fastconnect_6900
Qualcomm Fastconnect_6900_firmware
Qualcomm Fastconnect_7800
Qualcomm Fastconnect_7800_firmware
Qualcomm Sc8380xp
Qualcomm Sc8380xp_firmware
Qualcomm Wcd9380
Qualcomm Wcd9380_firmware
Qualcomm Wcd9385
Qualcomm Wcd9385_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-2025-27058?: CVE-2025-27058 is a high-severity vulnerability in Qualcomm Fastconnect_6900, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2025-07-08.
How severe is CVE-2025-27058?: High severity. CVSS v3 base score is 7.8 out of 10.