Incorrect type conversion in Qualcomm Snapdragon Connectivity, Snapdragon Mobile
Priority LOW 36CWE-704Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-704 and the CVSS impact.
Summary
Possible out of bounds read due to improper typecasting while handling page fault for global memory in Snapdragon Connectivity, Snapdragon Mobile
Why it matters now
EPSS 0.00166 5th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Qualcomm | Snapdragon Connectivity, Snapdragon Mobile | SD 8 Gen1 5G, WCD9380, WCN6855, WCN6856, WSA8830, WSA8835 | — | No fix listed | CNA |
- Snapdragon Connectivity, Snapdragon Mobile VendorQualcomm Affected SD 8 Gen1 5G, WCD9380, WCN6855, WCN6856, WSA8830, WSA8835 Fixed in — No fix listed CNA
CPE configurations NVD · 12
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:qualcomm:sd_8_gen1_5g_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Qualcomm |
| cpe:2.3:h:qualcomm:sm8475:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Qualcomm |
| cpe:2.3:o:qualcomm:wcd9380_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Qualcomm |
| cpe:2.3:h:qualcomm:wcd9380:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Qualcomm |
| cpe:2.3:o:qualcomm:wcn6855_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Qualcomm |
| cpe:2.3:h:qualcomm:wcn6855:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Qualcomm |
| cpe:2.3:o:qualcomm:wcn6856_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Qualcomm |
| cpe:2.3:h:qualcomm:wcn6856:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Qualcomm |
| cpe:2.3:o:qualcomm:wsa8830_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Qualcomm |
| cpe:2.3:h:qualcomm:wsa8830:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Qualcomm |
- cpe:2.3:o:qualcomm:sd_8_gen1_5g_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Qualcomm
- cpe:2.3:h:qualcomm:sm8475:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Qualcomm
- cpe:2.3:o:qualcomm:wcd9380_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Qualcomm
- cpe:2.3:h:qualcomm:wcd9380:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Qualcomm
- cpe:2.3:o:qualcomm:wcn6855_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Qualcomm
- cpe:2.3:h:qualcomm:wcn6855:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Qualcomm
- cpe:2.3:o:qualcomm:wcn6856_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Qualcomm
- cpe:2.3:h:qualcomm:wcn6856:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Qualcomm
- cpe:2.3:o:qualcomm:wsa8830_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Qualcomm
- cpe:2.3:h:qualcomm:wsa8830:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Qualcomm
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-35091
- 2026-10-03 Alias added: GHSA-54q7-86rf-qx6x
More Qualcomm Sd 8 Gen1 5g Firmware vulnerabilities
- TI-2023-16287 Integer Overflow or Wraparound in Graphics Linux KEVCVSS 3.1HIGH 8.4
- TI-2023-16286 Use of Out-of-range Pointer Offset in Graphics KEVCVSS 3.1HIGH 8.4
- TI-2023-16233 Buffer Copy Without Checking Size of Input in WLAN Firmware CVSS 3.1CRITICAL 9.8
- TI-2023-16216 Buffer Copy without Checking Size of Input in WLAN Firmware CVSS 3.1CRITICAL 9.8
- TI-2022-06435 Integer Overflow to Buffer Overflow in Bluetooth HOST CVSS 3.1CRITICAL 9.8
- TI-2025-19905 Improper Validation of Array Index in Multi-Mode Call Processor CVSS 3.1CRITICAL 9.8
Sources
- CVE-2021-35091 · CVE Program
- CVE-2021-35091 · NVD
- FIRST EPSS
- GHSA-54q7-86rf-qx6x · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences