Qualcomm Snapdragon Auto up to WSA8845H FW Response out-of-bounds write
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.6 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Qualcomm Snapdragon Auto, Snapdragon CCW, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon WBC and Snapdragon Wearables and classified as critical. This affects an unknown function of the component FW Response Handler. Executing a manipulation can lead to out-of-bounds write. This vulnerability is tracked as CVE-2025-21468. The attack is restricted to local execution. No exploit exists. It is suggested to upgrade the affected component.
Details
A vulnerability classified as critical was found in Qualcomm Snapdragon Auto, Snapdragon CCW, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon WBC and Snapdragon Wearables. This vulnerability affects an unknown code of the component FW Response Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
Memory corruption while reading response from FW, when buffer size is changed by FW while driver is using this size to write null character at the end of buffer.
The advisory is shared for download at docs.qualcomm.com. This vulnerability was named CVE-2025-21468 since 12/18/2024. The exploitation appears to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/11/2025).
Upgrading eliminates this vulnerability.
Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
- Snapdragon Auto
- Snapdragon CCW
- Snapdragon Compute
- Snapdragon Connectivity
- Snapdragon Consumer IOT
- Snapdragon Industrial IOT
- Snapdragon Mobile
- Snapdragon WBC
- Snapdragon Wearables
Version
- AR8035
- CSRA6620
- CSRA6640
- FastConnect 6200
- FastConnect 6700
- FastConnect 6900
- FastConnect 7800
- MDM9628
- QAM8295P
- QCA6174A
- QCA6391
- QCA6564A
- QCA6564AU
- QCA6574
- QCA6574A
- QCA6574AU
- QCA6595
- QCA6595AU
- QCA6696
- QCA6698AQ
- QCA8081
- QCA8337
- QCA9377
- QCM4490
- QCM5430
- QCM6490
- QCM8550
- QCN6024
- QCN9011
- QCN9012
- QCN9024
- QCN9274
- QCS410
- QCS610
- QCS615
- QCS4490
- QCS5430
- QCS6490
- QCS7230
- QCS8250
- QCS8300
- QCS8550
- QCS9100
- QMP1000
- QRB5165M
- QRB5165N
- QSM8350
- SA4150P
- SA4155P
- SA6145P
- SA6150P
- SA6155P
- SA8145P
- SA8150P
- SA8155P
- SA8195P
- SA8295P
- SA8530P
- SA8540P
- SA9000P
- SD888
- SDX61
- SG8275P
- SM6370
- SM6650
- SM6650P
- SM7315
- SM7325P
- SM7635
- SM7675
- SM7675P
- SM8550P
- SM8635
- SM8635P
- SM8650Q
- SM8735
- SM8750
- SM8750P
- SSG2115P
- SSG2125P
- SW5100
- SW5100P
- SXR1230P
- SXR2230P
- SXR2250P
- SXR2330P
- TalynPlus
- WCD9335
- WCD9341
- WCD9370
- WCD9375
- WCD9378
- WCD9380
- WCD9385
- WCD9390
- WCD9395
- WCN3910
- WCN3950
- WCN3980
- WCN3988
- WCN3990
- WCN6450
- WCN6650
- WCN6740
- 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: 7.8VulDB Meta Temp Score: 7.6
VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 7.8
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: Out-of-bounds writeCWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
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 🔍05/06/2025 🔍
05/06/2025 🔍
08/11/2025 🔍
Sources
Vendor: qualcomm.comAdvisory: docs.qualcomm.com
Status: Confirmed
CVE: CVE-2025-21468 (🔍)
GCVE (CVE): GCVE-0-2025-21468
GCVE (VulDB): GCVE-100-307612
Entry
Created: 05/06/2025 11:36Updated: 08/11/2025 18:30
Changes: 05/06/2025 11:36 (64), 08/11/2025 18:30 (1)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
No comments yet. Languages: en.
Please log in to comment.