RCE in D-Link Dwr-M921
CVE-2026-2168
A flaw has been found in D-Link DWR-M921 1.1.50. This affects the function sub_419920 of the file /boafrm/formLtefotaUpgradeQuectel. This manipulation of the argument fota_url causes command injection. It is possible to initiate the attack remotely. The exploit has been published and may be used.
Published · last modified .
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: 0.035 (88.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.033 · newest: 0.035 · change: +0.002
Affected products
- D-Link Dwr-M921 — versions 1.1.50
- Dlink Dwr-M921
- Dlink Dwr-M921 Firmware — versions 1.1.50
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/LX-66-LX/cve-new/issues/2 (issue-tracking, Exploit, exploit, Issue Tracking)
- www.dlink.com/ (Product, product)
Frequently asked questions
- What is CVE-2026-2168?
- CVE-2026-2168 is a medium-severity vulnerability in D-Link Dwr-M921, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-02-08.
- How severe is CVE-2026-2168?
- Medium severity. CVSS v3 base score is 6.3 out of 10.