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CVE-2026-1840

HIGH
7.5
CVSS 3.1
Description
The Aclara Metrum Cellular Web Interface is vulnerable to unauthorized access due to the absence of authentication controls on critical system functions. This weakness exposes essential configuration settings, allowing attackers to alter operational parameters and trigger system restarts without restriction. Such unauthorized changes can disrupt normal functionality and, if performed repeatedly, may lead to a loss of communications to the device.

Metadata

CVE ID
CVE-2026-1840
State
PUBLISHED
Assigner
icscert
Reserved
2026-02-03 16:50 UTC
Published
2026-06-24 19:47 UTC
Last updated
2026-06-24 19:47 UTC
Primary CWE
CWE-306
CWE-306 Missing authentication for critical function
Vendor / Product
Hubbell / Aclara Metrum Cellular Web Interface
Sources
cve.org  ·  NVD

Severity & Metrics

7.5 HIGH CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products (1)
VendorProductPlatformVersions
Hubbell Aclara Metrum Cellular Web Interface — 0 < 2.1.0.105
Weakness (CWE)
CWESourceDescription
CWE-306 cna CWE-306 Missing authentication for critical function
CVSS scores (2)
ScoreSeverityVersionSourceVector
8.7 HIGH 4.0 cna CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
7.5 HIGH 3.1 cna CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References (3)
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