MEDIUM
CVE-2022-45191
CWE-354Published: February 8, 2023· Updated: Jun 17, 2026
6.5
CVSS v3.1
Official Description
An issue was discovered on Microchip RN4870 1.43 devices. An attacker within BLE radio range can cause a denial of service by sending a pair confirm message with wrong values.
Technical Analysis
CVE-2022-45191 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 6.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Vendors & Products
microchip2 product(s)
rn4870 firmwarern4870
Source: NVD CPE · 2 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
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GitHub PoC Search
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Rapid7 / Metasploit
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PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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All References (2)
Quick Facts
CVE IDCVE-2022-45191
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-354
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 8, 2023
Related CVEs (CWE-354)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-45191 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.