CVE-2021-22677

HIGH

SimpleLink Wi-Fi <v4.20.00.12 - DoS

Title source: llm
STIX 2.1

Description

An integer overflow exists in the APIs of the host MCU while trying to connect to a WIFI network may lead to issues such as a denial-of-service condition or code execution on the SimpleLink Wi-Fi (MSP432E4 SDK: v4.20.00.12 and prior, CC32XX SDK v4.30.00.06 and prior, CC13X0 SDK versions prior to v4.10.03, CC13X2 and CC26XX SDK versions prior to v4.40.00, CC3200 SDK v1.5.0 and prior, CC3100 SDK v1.3.0 and prior).

References (1)

Core 1
Core References
Third Party Advisory, US Government Resource x_refsource_misc
https://us-cert.cisa.gov/ics/advisories/icsa-21-119-01

Scores

CVSS v3 7.8
EPSS 0.0030
EPSS Percentile 21.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-190
Status published
Products (7)
ti/cc3100_software_development_kit < 1.3.0
ti/cc3200_software_development_kit < 1.5.0
ti/simplelink_cc13x0_software_development_kit < 4.10.03
ti/simplelink_cc13x2_software_development_kit < 4.40.00
ti/simplelink_cc26xx_software_development_kit < 4.40.00
ti/simplelink_cc32xx_software_development_kit < 4.30.00.06
ti/simplelink_msp432e4_software_development_kit < 4.20.00.12
Published May 07, 2021
Tracked Since Feb 18, 2026