8.7
HIGH CVSS 4.0
CVE-2026-1840
Missing authentication for critical function in Hubbell Aclara Metrum Cellular Web Interface
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.

INFO

Published Date :

June 24, 2026, 7:47 p.m.

Last Modified :

June 24, 2026, 7:47 p.m.

Remotely Exploit :

Yes !

Source :

icscert
Affected Products

The following products are affected by CVE-2026-1840 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 7d14cffa-0d7d-4270-9dc0-52cabd5a23a6
CVSS 4.0 HIGH 7d14cffa-0d7d-4270-9dc0-52cabd5a23a6
Solution
Implement authentication controls to protect critical system functions from unauthorized access.
  • Enforce authentication on all critical system functions.
  • Restrict access to configuration settings.
  • Monitor for unauthorized access attempts.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-1840 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.