CVE-2023-21646
Reachable Assertion in Modem
Transient DOS in Modem while processing invalid System Information Block 1.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Reachable Assertion in Modem
Transient DOS in Modem while processing invalid System Information Block 1.
- Record
CVE-2023-21646- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-617
- Updated
- 2026-11-02
EUVDEUVD-2023-25813
Transient DOS in Modem while processing invalid System Information Block 1.
- Record
EUVD-2023-25813- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-g2g3-xc9m-vr7r
Transient DOS in Modem while processing invalid System Information Block 1.
Transient DOS in Modem while processing invalid System Information Block 1.
- Record
GHSA-g2g3-xc9m-vr7r- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-617
- Updated
- 2026-11-02
NVD
Transient DOS in Modem while processing invalid System Information Block 1.
- Record
CVE-2023-21646- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-617
- Updated
- 2026-11-02
Affected products
- qualcomm ar8035 firmware
- qualcomm qca6390 firmware
- qualcomm qca6391 firmware
- qualcomm qca6574a firmware
- qualcomm qca6595au firmware
- qualcomm qca6696 firmware
- qualcomm qca8081 firmware
- qualcomm qca8337 firmware
- qualcomm qcm6490 firmware
- qualcomm qcn6024 firmware
- qualcomm qcn9024 firmware
- qualcomm qcs6490 firmware
Show 45 moreShow less
- qualcomm qcx315 firmware
- qualcomm sa515m firmware
- qualcomm sd480 firmware
- qualcomm sd690 5g firmware
- qualcomm sd695 firmware
- qualcomm sd765 firmware
- qualcomm sd765g firmware
- qualcomm sd768g firmware
- qualcomm sd778g firmware
- qualcomm sd780g firmware
- qualcomm sd865 5g firmware
- qualcomm sd870 firmware
- qualcomm sd888 5g firmware
- qualcomm sd 8 gen1 5g firmware
- qualcomm sdx55 firmware
- qualcomm sdx55m firmware
- qualcomm sdx65 firmware
- qualcomm sdx70m firmware
- qualcomm sm4375 firmware
- qualcomm sm7250p firmware
- qualcomm sm7325p firmware
- qualcomm sm8450 firmware
- qualcomm snapdragon 4 gen 1 firmware
- qualcomm wcd9341 firmware
- qualcomm wcd9360 firmware
- qualcomm wcd9370 firmware
- qualcomm wcd9375 firmware
- qualcomm wcd9380 firmware
- qualcomm wcd9385 firmware
- qualcomm wcn3988 firmware
- qualcomm wcn3991 firmware
- qualcomm wcn3998 firmware
- qualcomm wcn6740 firmware
- qualcomm wcn6750 firmware
- qualcomm wcn6850 firmware
- qualcomm wcn6851 firmware
- qualcomm wcn6855 firmware
- qualcomm wcn6856 firmware
- qualcomm wcn7850 firmware
- qualcomm wcn7851 firmware
- qualcomm wsa8810 firmware
- qualcomm wsa8815 firmware
- qualcomm wsa8830 firmware
- qualcomm wsa8835 firmware
- qualcomm, inc. snapdragon
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-21646 is a high vulnerability (CVSS 7.5) in Qualcomm Ar8035 Firmware, published September 5, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.38%, the 32nd percentile. No source names a fixed version.