Qualcomm Snapdragon Auto up to WSA8845H Beacon buffer over-read
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.3 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, has been found in Qualcomm Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon WBC, Snapdragon Wearables and Snapdragon Wired Infrastructure and Networking. This impacts an unknown function of the component Beacon Handler. Performing a manipulation results in buffer over-read. This vulnerability is known as CVE-2025-21435. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.
Details
A vulnerability was found in Qualcomm Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon WBC, Snapdragon Wearables and Snapdragon Wired Infrastructure and Networking. It has been classified as critical. This affects an unknown functionality of the component Beacon Handler. The manipulation with an unknown input leads to a buffer over-read vulnerability. CWE is classifying the issue as CWE-126. The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer. This is going to have an impact on availability.
It is possible to read the advisory at docs.qualcomm.com. This vulnerability is uniquely identified as CVE-2025-21435 since 12/18/2024. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.
Upgrading eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-9997). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Vendor
Name
- Snapdragon Auto
- Snapdragon Compute
- Snapdragon Connectivity
- Snapdragon Consumer Electronics Connectivity
- Snapdragon Industrial IOT
- Snapdragon Mobile
- Snapdragon WBC
- Snapdragon Wearables
- Snapdragon Wired Infrastructure and Networking
Version
- AR8035
- CSR8811
- FastConnect 6800
- FastConnect 6900
- FastConnect 7800
- IPQ5010
- IPQ5028
- IPQ5300
- IPQ5302
- IPQ5312
- IPQ5332
- IPQ6000
- IPQ6010
- IPQ6018
- IPQ6028
- IPQ8070A
- IPQ8071A
- IPQ8072A
- IPQ8074A
- IPQ8076
- IPQ8076A
- IPQ8078
- IPQ8078A
- IPQ8173
- IPQ8174
- IPQ9008
- IPQ9048
- IPQ9554
- IPQ9570
- IPQ9574
- QAM8255P
- QAM8650P
- QAM8775P
- QCA4024
- QCA6391
- QCA6421
- QCA6426
- QCA6431
- QCA6436
- QCA6554A
- QCA6564AU
- QCA6574
- QCA6574A
- QCA6574AU
- QCA6584AU
- QCA6595
- QCA6595AU
- QCA6678AQ
- QCA6696
- QCA6698AQ
- QCA6777AQ
- QCA6787AQ
- QCA6797AQ
- QCA8075
- QCA8081
- QCA8082
- QCA8084
- QCA8085
- QCA8337
- QCA8386
- QCA9888
- QCA9889
- QCC710
- QCC2073
- QCC2076
- QCF8000
- QCF8000SFP
- QCF8001
- QCN5022
- QCN5024
- QCN5052
- QCN5122
- QCN5124
- QCN5152
- QCN5154
- QCN5164
- QCN6023
- QCN6024
- QCN6112
- QCN6122
- QCN6132
- QCN6224
- QCN6274
- QCN6402
- QCN6412
- QCN6422
- QCN6432
- QCN9000
- QCN9012
- QCN9022
- QCN9024
- QCN9070
- QCN9072
- QCN9074
- QCN9100
- QCN9160
- QCN9274
- QFW7114
- QFW7124
- QMP1000
- QXM8083
- SA6155P
- SA8155P
- SA8195P
- SDX55
- SDX65M
- SM8735
- SM8750
- SM8750P
- SW5100
- SW5100P
- SXR2330P
- WCD9340
- WCD9378
- WCD9380
- WCD9385
- WCD9390
- WCD9395
- WCN3980
- WCN3988
- WCN6450
- WCN6755
- WCN7750
- WCN7860
- WCN7861
- WCN7880
- WCN7881
- WSA8810
- WSA8815
- WSA8830
- WSA8832
- WSA8835
- WSA8840
- WSA8845
- WSA8845H
License
Website
- Vendor: https://www.qualcomm.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.3
VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 7.5
CNA Vector (qualcomm): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Buffer over-readCWE: CWE-126 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
12/18/2024 🔍04/07/2025 🔍
04/07/2025 🔍
10/07/2025 🔍
Sources
Vendor: qualcomm.comAdvisory: docs.qualcomm.com
Status: Confirmed
CVE: CVE-2025-21435 (🔍)
GCVE (CVE): GCVE-0-2025-21435
GCVE (VulDB): GCVE-100-303675
EUVD: 🔍
Entry
Created: 04/07/2025 12:51Updated: 10/07/2025 04:02
Changes: 04/07/2025 12:51 (62), 10/04/2025 16:27 (1), 10/07/2025 04:02 (1)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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