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
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