Vulnerabilities

CVE-2025-21483 | BDVDB-2026-295385 Detail

QualcommSnapdragon

Description#

Memory corruption when the UE receives an RTP packet from the network, during the reassembly of NALUs.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References#

https://docs.qualcomm.com/product/publicresources/securitybulletin/september-2025-bulletin.html

Exploit#

No public exploit known

History#

Version 12025-09-24Record published in the CVE List.
Version 22026-02-26Most recent update recorded in the CVE List.

Published

Published: 2025-09-24
Last modified: 2026-02-26

Vendor information

Vendor: Qualcomm
Product: Snapdragon

All Qualcomm vulnerabilities

Score

9.8 Critical

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 36.4.

KEV

No

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Memory Corruption

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
APQ8017
Fixed
Not stated
Vulnerable
APQ8064AU
Fixed
Not stated
Vulnerable
AQT1000
Fixed
Not stated
Vulnerable
FastConnect 6200
Fixed
Not stated
Vulnerable
FastConnect 6700
Fixed
Not stated
Vulnerable
FastConnect 6800
Fixed
Not stated
Vulnerable
FastConnect 6900
Fixed
Not stated
Vulnerable
FastConnect 7800
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

9.8 Critical

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).