Improper input validation in Qualcomm Snapdragon Connectivity, Snapdragon Mobile
Priority LOW 29CWE-20Published · Updated
Key facts
- Attack vector
- Physical
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
Possible address manipulation from APP-NS while APP-S is configuring an RG where it tries to merge the address ranges in Snapdragon Connectivity, Snapdragon Mobile
Why it matters now
EPSS 0.00197 9th 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, SM7450, SM8475, SM8475P, WCD9370, WCD9375, WCD9380, WCD9385, WCN6750, WCN6855, WCN6856, WCN7851, WSA8830, WSA8832, WSA8835 | — | No fix listed | CNA |
- Snapdragon Connectivity, Snapdragon Mobile VendorQualcomm Affected SD 8 Gen1 5G, SM7450, SM8475, SM8475P, WCD9370, WCD9375, WCD9380, WCD9385, WCN6750, WCN6855, WCN6856, WCN7851, WSA8830, WSA8832, WSA8835 Fixed in — No fix listed CNA
CPE configurations NVD · 29
| 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:sm7450_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Qualcomm |
| cpe:2.3:h:qualcomm:sm7450:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Qualcomm |
| cpe:2.3:o:qualcomm:sm8475_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Qualcomm |
| cpe:2.3:o:qualcomm:sm8475p_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Qualcomm |
| cpe:2.3:h:qualcomm:sm8475p:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Qualcomm |
| cpe:2.3:o:qualcomm:wcd9370_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Qualcomm |
| cpe:2.3:h:qualcomm:wcd9370:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Qualcomm |
| cpe:2.3:o:qualcomm:wcd9375_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | 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:sm7450_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Qualcomm
- cpe:2.3:h:qualcomm:sm7450:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Qualcomm
- cpe:2.3:o:qualcomm:sm8475_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Qualcomm
- cpe:2.3:o:qualcomm:sm8475p_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Qualcomm
- cpe:2.3:h:qualcomm:sm8475p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Qualcomm
- cpe:2.3:o:qualcomm:wcd9370_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Qualcomm
- cpe:2.3:h:qualcomm:wcd9370:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Qualcomm
- cpe:2.3:o:qualcomm:wcd9375_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Qualcomm
Show 19 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:h:qualcomm:wcd9375:-:*:*:*:*:*:*:* | 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:wcd9385_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Qualcomm |
| cpe:2.3:h:qualcomm:wcd9385:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Qualcomm |
| cpe:2.3:o:qualcomm:wcn6750_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Qualcomm |
| cpe:2.3:h:qualcomm:wcn6750:-:*:*:*:*:*:*:* | 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:wcn7851_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Qualcomm |
| cpe:2.3:h:qualcomm:wcn7851:-:*:*:*:*:*:*:* | 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:wsa8832_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Qualcomm |
| cpe:2.3:h:qualcomm:wsa8832:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Qualcomm |
| cpe:2.3:o:qualcomm:wsa8835_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Qualcomm |
| cpe:2.3:h:qualcomm:wsa8835:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Qualcomm |
- cpe:2.3:h:qualcomm:wcd9375:-:*:*:*:*:*:*:* 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:wcd9385_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Qualcomm
- cpe:2.3:h:qualcomm:wcd9385:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Qualcomm
- cpe:2.3:o:qualcomm:wcn6750_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Qualcomm
- cpe:2.3:h:qualcomm:wcn6750:-:*:*:*:*:*:*:* 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:wcn7851_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Qualcomm
- cpe:2.3:h:qualcomm:wcn7851:-:*:*:*:*:*:*:* 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
- cpe:2.3:o:qualcomm:wsa8832_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Qualcomm
- cpe:2.3:h:qualcomm:wsa8832:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Qualcomm
- cpe:2.3:o:qualcomm:wsa8835_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Qualcomm
- cpe:2.3:h:qualcomm:wsa8835:-:*:*:*:*:*:*:* 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-2021-35109
- 2026-10-03 Alias added: GHSA-m483-27j2-x8qg
References
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-2021-35109 · CVE Program
- CVE-2021-35109 · NVD
- FIRST EPSS
- GHSA-m483-27j2-x8qg · 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