Integer overflow in SimpleLink Wi-Fi, MSP432, CC13XX, CC26XX, CC32XX, CC3100
Priority LOW 34CWE-190Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-190 and the CVSS impact.
Summary
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).
Why it matters now
EPSS 0.00299 22nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | SimpleLink Wi-Fi, MSP432, CC13XX, CC26XX, CC32XX, CC3100 | 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 | — | No fix listed | CNA |
- SimpleLink Wi-Fi, MSP432, CC13XX, CC26XX, CC32XX, CC3100 Vendor— Affected 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 Fixed in — No fix listed CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ti:cc3100_software_development_kit:*:*:*:*:*:*:*:* | up to 1.3.0 | Vulnerable | Texas Instruments |
| cpe:2.3:a:ti:cc3200_software_development_kit:*:*:*:*:*:*:*:* | up to 1.5.0 | Vulnerable | Texas Instruments |
| cpe:2.3:a:ti:simplelink_cc13x0_software_development_kit:*:*:*:*:*:*:*:* | before 4.10.03 | Vulnerable | Texas Instruments |
| cpe:2.3:a:ti:simplelink_cc13x2_software_development_kit:*:*:*:*:*:*:*:* | before 4.40.00 | Vulnerable | Texas Instruments |
| cpe:2.3:a:ti:simplelink_cc26xx_software_development_kit:*:*:*:*:*:*:*:* | before 4.40.00 | Vulnerable | Texas Instruments |
| cpe:2.3:a:ti:simplelink_cc32xx_software_development_kit:*:*:*:*:*:*:*:* | up to 4.30.00.06 | Vulnerable | Texas Instruments |
| cpe:2.3:a:ti:simplelink_msp432e4_software_development_kit:*:*:*:*:*:*:*:* | up to 4.20.00.12 | Vulnerable | Texas Instruments |
- cpe:2.3:a:ti:cc3100_software_development_kit:*:*:*:*:*:*:*:* Versions up to 1.3.0 Vulnerable ·Texas Instruments
- cpe:2.3:a:ti:cc3200_software_development_kit:*:*:*:*:*:*:*:* Versions up to 1.5.0 Vulnerable ·Texas Instruments
- cpe:2.3:a:ti:simplelink_cc13x0_software_development_kit:*:*:*:*:*:*:*:* Versions before 4.10.03 Vulnerable ·Texas Instruments
- cpe:2.3:a:ti:simplelink_cc13x2_software_development_kit:*:*:*:*:*:*:*:* Versions before 4.40.00 Vulnerable ·Texas Instruments
- cpe:2.3:a:ti:simplelink_cc26xx_software_development_kit:*:*:*:*:*:*:*:* Versions before 4.40.00 Vulnerable ·Texas Instruments
- cpe:2.3:a:ti:simplelink_cc32xx_software_development_kit:*:*:*:*:*:*:*:* Versions up to 4.30.00.06 Vulnerable ·Texas Instruments
- cpe:2.3:a:ti:simplelink_msp432e4_software_development_kit:*:*:*:*:*:*:*:* Versions up to 4.20.00.12 Vulnerable ·Texas Instruments
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-22677
- 2026-10-03 Alias added: GHSA-c99v-p88g-44f5
References
More Texas Instruments Cc3100 Software Development Kit vulnerabilities
- TI-2021-05572 Integer overflow in SimpleLink Wi-Fi, MSP432, CC13XX, CC26XX, CC32XX, CC3100 CVSS 3.1CRITICAL 9.8
- TI-2021-05564 Integer overflow in SimpleLink Wi-Fi, MSP432, CC13XX, CC26XX, CC32XX, CC3100 CVSS 3.1CRITICAL 9.8
- TI-2021-05566 Stack-based buffer overflow in SimpleLink Wi-Fi, MSP432, CC13XX, CC26XX, CC32XX, CC3100 CVSS 3.1HIGH 8.0
- TI-2021-05568 Integer overflow in SimpleLink Wi-Fi, MSP432, CC13XX, CC26XX, CC32XX, CC3100 CVSS 3.1HIGH 7.2
Sources
- CVE-2021-22677 · CVE Program
- CVE-2021-22677 · NVD
- FIRST EPSS
- GHSA-c99v-p88g-44f5 · GitHub Advisory Database · CC BY 4.0
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