CVE-2024-21463
CWE-120Published: April 1, 2024· Updated: Jun 17, 2026
Official Description
Memory corruption while processing Codec2 during v13k decoder pitch synthesis.
Risk Analysis
A memory corruption vulnerability exists in Qualcomm firmware during Codec2 processing. The CVSS score of 9.8 indicates a high risk of remote exploitation, which could lead to a complete system compromise.
There is no evidence of public exploitation or inclusion in the CISA KEV.
Apply the latest firmware updates provided by Qualcomm for the affected FastConnect and AR series hardware.
Technical Analysis
CVE-2024-21463 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-120)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2024-21463 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts