Vulnerability · Published Jun 24, 2026 · Assigned by icscert
CVE-2026-1840Missing authentication for critical function in Hubbell Aclara Metrum Cellular Web Interface
High 7.5
In plain English
A high-severity missing authentication in Aclara Metrum Cellular Web Interface from Hubbell. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Hubbell | Aclara Metrum Cellular Web Interface | 0 – before 2.1.0.105 |
Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H