CVE Catalog

CVE-2026-66086

CriticalCVSS 9.8
Published: Translated: NVD NIST

Summary

In the modem OTA stack, there is a possible stack-based buffer overflow due to improper validation of scheduling information in SIB1 messages. This could lead to remote code execution or denial of service with no additional execution privileges needed.

Risk Assessment

An attacker could remotely execute code or cause a denial of service on the modem, potentially disrupting device or network operations.

Recommendation

Apply patches provided by the modem or OS vendor that validate SIB1 messages.

Related vulnerabilities

Original NVD description (English source)

In the modem OTA stack, there is a possible stack-based buffer overflow due to improper validation of scheduling information in SIB1 messages. This could lead to remote code execution or denial of service with no additional execution privileges needed.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS