CVE-2018-11426

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-07-03 · updated 2026-06-17
Weakness: CWE-287

Description

A weak Cookie parameter is used in the web application of Moxa OnCell G3100-HSPA Series version 1.4 Build 16062919 and prior. An attacker can brute force parameters required to bypass authentication and access the web interface to use all its functions except for password change.

Affected products

Moxa Oncell G3150-Hspa-T Firmware: through 1.4
Moxa Oncell G3150-Hspa Firmware: through 1.4

References

https://github.com/klsecservices/Advisories/blob/master/KL-MOXA-2018-105.md
https://github.com/klsecservices/Advisories/blob/master/KL-MOXA-2018-105.md

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