What is CVE-2023-5146?

CVE-2023-5146 is a medium-severity vulnerability in D-Link Dar-7000, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 6.3/10. Published 2023-09-25.

How severe is CVE-2023-5146?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Arbitrary file upload in D-Link Dar-7000

CVE-2023-5146

** UNSUPPORTED WHEN ASSIGNED ** A vulnerability was found in D-Link DAR-7000 and DAR-8000 up to 20151231 and classified as critical. Affected by this issue is some unknown functionality of the file /sysmanage/updatelib.php. The manipulation of the argument file_upload leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-240242 is the identifier assigned to this vulnerability. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. NOTE: Vendor was contacted early and confirmed immediately that the product is end-of-life. It should be retired and replaced.

Vulnerability class: Unrestricted File Upload

Published 2023-09-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.324 (98.3th percentile), scored 2026-09-29.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.329 · newest: 0.324 · change: -0.005

Affected products

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

vuldb.com/ (Permissions Required, technical-description, VDB Entry, Third Party Advisory, vdb-entry)
vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry, Third Party Advisory)
github.com/llixixi/cve/blob/main/D-LINK-DAR-7000_upload_ updatelib.md (Exploit, Third Party Advisory, exploit, patch)
supportannouncement.us.dlink.com/announcement/publication.aspx (related, Vendor Advisory)
github.com/llixixi/cve/blob/main/D-LINK-DAR-8000-10_upload_ updatelib.md (Exploit, Third Party Advisory, patch)

Frequently asked questions

What is CVE-2023-5146?: CVE-2023-5146 is a medium-severity vulnerability in D-Link Dar-7000, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 6.3/10. Published 2023-09-25.
How severe is CVE-2023-5146?: Medium severity. CVSS v3 base score is 6.3 out of 10.