What is CVE-2022-30904?

CVE-2022-30904 is a high-severity vulnerability in Bestechnic Bes2300, classified under Out-of-bounds Write. CVSS score: 8.2/10. Published 2023-02-01.

How severe is CVE-2022-30904?

High severity. CVSS v3 base score is 8.2 out of 10.

Is CVE-2022-30904 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Bestechnic Bes2300

CVE-2022-30904

In Bestechnic Bluetooth Mesh SDK (BES2300) V1.0, a buffer overflow vulnerability can be triggered during provisioning, because there is no check for the SegN field of the Transaction Start PDU.

Vulnerability class: Buffer Overflow

Published 2023-02-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L.

EPSS exploit prediction

EPSS: 0.007 (53.0th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Bestechnic Bes2300
Bestechnic Bluetooth Mesh Software Development Kit — versions 1.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

References

docs.google.com/document/d/1is3dYwMcRIkhjvujzi5OgnaGBsQVtlew/edit (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-30904?: CVE-2022-30904 is a high-severity vulnerability in Bestechnic Bes2300, classified under Out-of-bounds Write. CVSS score: 8.2/10. Published 2023-02-01.
How severe is CVE-2022-30904?: High severity. CVSS v3 base score is 8.2 out of 10.
Is CVE-2022-30904 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.