Missing Authentication for Critical Function in Management API in Baylan Water Meters's BMS

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-15706
StatePUBLISHED
AssignerTR-CERT
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-20 14:17:09 UTC
Updated2026-08-26 16:51:19 UTC
DescriptionMissing authentication for critical function vulnerability in Baylan Measuring Instruments Industry and Trade Inc. Baylan Smart Meter Management Application (BMS) allows Authentication Bypass. This issue affects Baylan Smart Meter Management Application (BMS): before v1.1.10.142.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.003530000 probability, percentile 0.280460000 (date 2026-08-26)

Problem Types: CWE-306 | CWE-306 CWE-306 Missing authentication for critical function

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Baylan Measuring Instruments Industry And Trade Inc. Baylan Smart Meter Management Application BMS affected v1.1.10.142 custom Not specified

References

ReferenceSourceLinkTags
siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0881 [email protected] siberguvenlik.gov.tr
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Musa Şana - Meta Cyber (en)

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