OmniPEMF NeoRhythm BLE missing authentication

published 2026-03-21 7mo ago modified 2026-09-16 last mo. also EUVD-2026-14254

cvss: 5.0; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 21%
public exploits: 0; none known

A security vulnerability has been detected in OmniPEMF NeoRhythm up to 20260308. This affects an unknown function of the component BLE Interface. Such manipulation leads to missing authentication. The attack can only be initiated within the local network. This attack is characterized by high complexity. The exploitability is reported as difficult. The vendor was contacted early about this disclosure but did not respond in any way.

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CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 7mo ago (2026-03-23)

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	4.0	2.3	CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
CNA	3.1	5.0	CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R
CNA	3.0	5.0	CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R
CNA	2.0	4.3	AV:A/AC:H/Au:N/C:P/I:P/A:P/E:ND/RL:ND/RC:UR
CNA	4.0	2.3	CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA	3.1	5.0	CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA	2.0	4.3	AV:A/AC:H/Au:N/C:P/I:P/A:P

Affected products

OmniPEMF NeoRhythm

Classification

Weakness

CWE-306 Missing Authentication for Critical Functionality
CWE-287 Improper Authentication

References

vuldb.com /vuln/352383
vdb-entry
vuldb.com /vuln/352383/cti
signature, permissions-required
vuldb.com /cve/CVE-2026-2756
third-party-advisory
vuldb.com /submit/774937
third-party-advisory
ab3j.radio /NeoRhythm.pdf
related

Sources

CVE List CVE-2026-2756
NVD CVE-2026-2756

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