Multiple integer overflow issues exist while processing long domain names, which may allow an attacker to remotely execute code 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

• https://nvd.nist.gov/vuln/detail/CVE-2021-22671
• https://us-cert.cisa.gov/ics/advisories/icsa-21-119-01