Integer overflow in Qualcomm Cologne Firmware
CVE-2026-25290
Memory Corruption when validating large data buffers from external sources using addition to check buffer length.
Vulnerability class: Integer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.001 (1.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000
Affected products
- Qualcomm Cologne Firmware
- Qualcomm Fastconnect 7800 Firmware
- Qualcomm Snapdragon X2 Elite Firmware
- Qualcomm Wcd9378c Firmware
- Qualcomm Wsa8840 Firmware
- Qualcomm Wsa8845 Firmware
- Qualcomm Wsa8845h Firmware
- Qualcomm, Inc. Snapdragon — versions Cologne, FastConnect 7800, Snapdragon X2 Elite
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-25290?
- CVE-2026-25290 is a high-severity vulnerability in Qualcomm Cologne Firmware, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2026-09-17.
- How severe is CVE-2026-25290?
- High severity. CVSS v3 base score is 7.8 out of 10.