CVE-2023-21653
Reachable Assertion in Modem
Transient DOS in Modem while processing RRC reconfiguration message.
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 RRC reconfiguration message.
- Record
CVE-2023-21653- 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-2023-25820
Transient DOS in Modem while processing RRC reconfiguration message.
- Record
EUVD-2023-25820- 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-ghqc-wx9w-j5h4
Transient DOS in Modem while processing RRC reconfiguration message.
Transient DOS in Modem while processing RRC reconfiguration message.
- Record
GHSA-ghqc-wx9w-j5h4- 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 RRC reconfiguration message.
- Record
CVE-2023-21653- 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
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-2023-21653 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.