What is the CVSS score of CVE-2025-59603?

CVE-2025-59603 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

Which versions of Cologne Firmware are affected by CVE-2025-59603?

CVE-2025-59603 is a memory corruption vulnerability affecting systems that process user-supplied addresses, with a HIGH severity rating (CVSS 7.8).

How to fix or mitigate CVE-2025-59603?

Within 24 hours: Identify all systems running affected software versions and assess business criticality. Within 7 days: Implement network segmentation to isolate critical systems, deploy WAF rules to filter malicious address inputs, and disable the vulnerable feature if operationally feasible. Within 30 days: Monitor vendor communications for patch availability, conduct penetration testing on mitigations, and evaluate alternative products if no patch timeline is provided.

Cologne Firmware CVE-2025-59603

HIGH

Out-of-bounds Write (CWE-787)

2026-03-02 product-security@qualcomm.com

Memory Corruption Cologne Firmware Fastconnect 6900 Firmware Fastconnect 7800 Firmware Qca0000 Firmware Sc8380xp Firmware Sd865 5g Firmware Snapdragon Xr2 5g Platform Firmware Sxr2230p Firmware Sxr2250p Firmware Wcd9378c Firmware Wcd9380 Firmware Wcd9385 Firmware Wsa8810 Firmware Wsa8815 Firmware Wsa8830 Firmware Wsa8832 Firmware Wsa8835 Firmware Wsa8840 Firmware Wsa8845 Firmware Wsa8845h Firmware X2000077 Firmware X2000086 Firmware X2000090 Firmware X2000092 Firmware X2000094 Firmware Xg101002 Firmware Xg101032 Firmware Xg101039 Firmware

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

CVE Published

Mar 02, 2026 - 17:16 nvd

HIGH 7.8

DescriptionCVE.org

Memory Corruption when processing invalid user address with nonstandard buffer address.

AnalysisAI

Memory Corruption when processing invalid user address with nonstandard buffer address. [CVSS 7.8 HIGH]

Technical ContextAI

Classified as CWE-787 (Out-of-bounds Write). Affects Sd865 5G Firmware. Memory Corruption when processing invalid user address with nonstandard buffer address.