High severity · published Sep 24, 2025
CVE-2025-21488
Buffer Over-read in Data Network Stack & Connectivity
8.2
CVSS
0.3%
EPSS
No
On KEV
Description
Information disclosure while decoding this RTP packet headers received by UE from the network when the padding bit is set.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SN
Snapdragon · Qualcomm, Inc.
FastConnect 6200; FastConnect 6700; FastConnect 6900; FastConnect 7800; MSM8996AU; QCA6564; +34 more · source: vendor
F6
Fastconnect 6200 Firmware · Qualcomm
All versions, or not specified · source: NVD
F6
Fastconnect 6700 Firmware · Qualcomm
All versions, or not specified · source: NVD
F6
Fastconnect 6900 Firmware · Qualcomm
All versions, or not specified · source: NVD
F7
Fastconnect 7800 Firmware · Qualcomm
All versions, or not specified · source: NVD
MF
Msm8996au Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6564 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6564a Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6564au Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6574 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6574a Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6574au Firmware · Qualcomm
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-21488
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-21488
Vendor Advisory
https://docs.qualcomm.com/product/publicresources/securitybulletin/september-2025-bulletin.html
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