CVE-2018-10251

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-05-04 · updated 2026-06-17
Weakness: CWE-862

Description

A vulnerability in Sierra Wireless AirLink GX400, GX440, ES440, and LS300 routers with firmware before 4.4.7 and GX450, ES450, RV50, RV50X, MP70, and MP70E routers with firmware before 4.9.3 could allow an unauthenticated remote attacker to execute arbitrary code and gain full control of an affected system, including issuing commands with root privileges.

Affected products

SierraWireless ALEOS: before 4.4.7; before 4.9.3 — fixed in 4.4.7, 4.9.3

How to fix

Upgrade to a fixed version: SierraWireless ALEOS 4.4.7, 4.9.3. Check the vendor advisory for mitigations.

References

https://source.sierrawireless.com/resources/airlink/software_reference_docs/technical-bulletin/sierra-wireless-technical-bulletin---cve-2018-10251/
https://source.sierrawireless.com/resources/airlink/software_reference_docs/technical-bulletin/sierra-wireless-technical-bulletin---cve-2018-10251/

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