CVE-2022-46399
HIGHCVSS 7.5/10EPSS 0.75%
Last modified
CVE-2022-46399 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) is unresponsive with ConReqTimeoutZero.. EPSS estimates a 0.75% 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) is unresponsive with ConReqTimeoutZero.
Metrics
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
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 | Bm64 Firmware | 1.43 |
| Microchip | Bm77 Firmware | 1.43 |
| Microchip | Is1870 Firmware | 1.43 |
| Microchip | Is1871 Firmware | 1.43 |
| Microchip | Rn4678 Firmware | 1.43 |
| Microchip | Pic32cx1012bz25048 Firmware | 1.43 |
| Microchip | Wbz451 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-2022-46399?
The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) is unresponsive with ConReqTimeoutZero.
How severe is CVE-2022-46399?
CVE-2022-46399 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.
How do I fix CVE-2022-46399?
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.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2022-46399?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST