CVE-2018-4063
Act now ● On CISA KEV — actively exploited
Actively exploited — on the CISA KEV list.
CVSS base
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EPSS — probability of exploitation (30 days)
27.1%
98.0th percentile
CISA KEV
Listed
Added 2025-12-12 · patch by 2026-01-02
Weakness / dates
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Published — · modified —
Timeline
- 2025-12-12 — Added to CISA KEV (actively exploited)
- 2026-01-02 — CISA patch-by deadline
Description
Sierra Wireless AirLink ALEOS contains an unrestricted upload of file with dangerous type vulnerability. A specially crafted HTTP request can upload a file, resulting in executable code being uploaded, and routable, to the webserver. An attacker can make an authenticated HTTP request to trigger this vulnerability. The impacted product could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.