CVE-2024-20154: mediatek lr12a Stack-based Buffer Overflow

Vulnerability summary

CVE-2024-20154 is a high (CVSS 8.8) Stack-based Buffer Overflow vulnerability in mediatek lr12a. EPSS estimates a 3.92% chance of exploitation in the next 30 days, higher than 90.2% of scored vulnerabilities.

Timeline

1. 06-01-2025
   PublishedVulnerability first disclosed.
2. 17-02-2026
   Last modifiedVulnerability information updated.

Description

In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY00720348; Issue ID: MSV-2392.

• 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.