PoC Index

CVE-2018-4063

KEVHIGH 9.0EPSS 27.1%

An exploitable remote code execution vulnerability exists in the upload.cgi functionality of Sierra Wireless AirLink ES450 FW 4.9.3. 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.

CVSS v3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
9.0 HIGHAV:N/AC:L/Au:S/C:C/I:C/A:C
EPSS
27.06% chance of exploitation in the next 30 days, 98th percentile
CISA KEV
added 2025-12-12
Published
2019-05-06
Updated
2026-05-22

Proof-of-concept exploits (1)

References

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