CVE-2023-43520: qualcomm, inc. snapdragon Stack-based Buffer Overflow

Vulnerability summary

CVE-2023-43520 is a critical (CVSS 9.8) Stack-based Buffer Overflow vulnerability in qualcomm, inc. snapdragon. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 17.3% of scored vulnerabilities.

Timeline

1. 06-02-2024
   PublishedVulnerability first disclosed.
2. 09-05-2025
   Last modifiedVulnerability information updated.

Description

Memory corruption when AP includes TID to link mapping IE in the beacons and STA is parsing the beacon TID to link mapping IE.

• CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.