Vulnerability 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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://aclara.my.site.com/AclaraConnect/s/
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-17
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-174-07
FAQ
What is CVE-2026-1840?
CVE-2026-1840 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 ...
How severe is CVE-2026-1840?
CVE-2026-1840 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-1840?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.