CVE-2022-46403
HIGHCVSS 8.6/10EPSS 0.83%
Last modified
CVE-2022-46403 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) mishandles reject messages.. EPSS estimates a 0.83% chance of exploitation in the next 30 days.
Description
The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) mishandles reject messages.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microchip | Bm78 Firmware | 1.43 |
| Microchip | Bm83 Firmware | 1.43 |
| Microchip | Rn4870 Firmware | 1.43 |
| Microchip | Rn4871 Firmware | 1.43 |
| Microchip | Bm70 Firmware | 1.43 |
| Microchip | Bm71 Firmware | 1.43 |
| Microchip | Pic Lightblue Explorer Demo Firmware | 4.2_dt100112 |
| Microchip | Is1871 Firmware | 1.43 |
| Microchip | Is1870 Firmware | 1.43 |
References
- https://microchip.comProduct
- https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYMExploit, Technical Description, Third Party Advisory
- https://www.computer.org/csdl/proceedings/sp/2023/1He7WWuJExGThird Party Advisory
- https://microchip.comProduct
- https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYMExploit, Technical Description, Third Party Advisory
- https://www.computer.org/csdl/proceedings/sp/2023/1He7WWuJExGThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-46403?
The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) mishandles reject messages.
How severe is CVE-2022-46403?
CVE-2022-46403 has a CVSS score of 8.6/10 (HIGH severity). The EPSS model estimates a 0.83% probability of exploitation in the next 30 days.
How do I fix CVE-2022-46403?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Are you affected by CVE-2022-46403?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST