PatchTheCVECVE-2018-12921: Electro Industries GaugeTech Nexus devices allow remote attackers to obtain potentially sensitive information
CVE-2018-12921 is a high-severity flaw (CVSS 7.5) affecting gaugetech nexus firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Electro Industries GaugeTech Nexus devices allow remote attackers to obtain potentially sensitive information via a direct request for the meter_information.htm, diag_system.htm, or diag_dnp_lan_wan.htm URI.
Why this priority
- High severity
- Public exploit reference
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.4% (top 27%) |
| CISA exploited list | No |
| Weakness | CWE-200 |
| Published | 2018-06-28 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2018-12921?
gaugetech nexus firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2018-12921 being exploited?
CVE-2018-12921 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2018-12921 affect?
CVE-2018-12921 affects gaugetech nexus firmware. Severity is high (CVSS 7.5). Electro Industries GaugeTech Nexus devices allow remote attackers to obtain potentially sensitive information via a direct request for the meter_information.htm, diag_system.htm, or diag_dnp_lan_wan.htm URI.
How urgent is CVE-2018-12921?
Priority 55/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action