What is CVE-2023-43478?

CVE-2023-43478 is a high-severity vulnerability in Telstra Arcadyan Lh1000, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2023-09-20.

How severe is CVE-2023-43478?

High severity. CVSS v3 base score is 8.8 out of 10.

Arbitrary file upload in Telstra Arcadyan Lh1000

CVE-2023-43478

fake_upload.cgi on the Telstra Smart Modem Gen 2 (Arcadyan LH1000), firmware versions < 0.18.15r, allows unauthenticated attackers to upload firmware images and configuration backups, which could allow them to alter the firmware or the configuration on the device, ultimately leading to code execution as root.

Vulnerability class: Unrestricted File Upload

EPSS: 0.174 (96.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

vulnreport@tenable.com (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-43478?: CVE-2023-43478 is a high-severity vulnerability in Telstra Arcadyan Lh1000, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2023-09-20.
How severe is CVE-2023-43478?: High severity. CVSS v3 base score is 8.8 out of 10.