What is CVE-2023-43321?

CVE-2023-43321 is a high-severity vulnerability in Dcnetworks Dcfw-1800-Sdc, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2023-10-04.

How severe is CVE-2023-43321?

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

Arbitrary file upload in Dcnetworks Dcfw-1800-Sdc

CVE-2023-43321

File Upload vulnerability in Digital China Networks DCFW-1800-SDC v.3.0 allows an authenticated attacker to execute arbitrary code via the wget function in the /sbin/cloudadmin.sh component.

Vulnerability class: Unrestricted File Upload

Published 2023-10-04 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.009 (58.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Dcnetworks Dcfw-1800-Sdc
Dcnetworks Dcfw-1800-Sdc Firmware — versions 3.0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

github.com/Push3AX/vul/blob/main/DCN/DCFW_1800_SDC_CommandInjection.md (Exploit, Third Party Advisory)
www.dcnetworks.com.cn/goods/61.html (Product)

Frequently asked questions

What is CVE-2023-43321?: CVE-2023-43321 is a high-severity vulnerability in Dcnetworks Dcfw-1800-Sdc, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2023-10-04.
How severe is CVE-2023-43321?: High severity. CVSS v3 base score is 8.8 out of 10.