CVE-2025-21484

Buffer Over-read in Data Network Stack & Connectivity

HIGH
8.2
CVSS Score
Published: September 24, 2025 at 03:33 PM UTC
Updated: September 26, 2026 at 12:27 AM UTC
347 products affected across 1 vendorWCD9380 FirmwareWSA8835 FirmwareWSA8830 Firmware

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Severity
HIGH8.2
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

Information disclosure when UE receives the RTP packet from the network, while decoding and reassembling the fragments from RTP packet.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
qualcomm-fastconnect-6200 (same device)
All versions
qualcomm-fastconnect-6800 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.2HIGHqualcomm
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusANALYZED
CWE
CWE-126

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