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…
EPSS: 0.000 (9.7th percentile) — read the EPSS interpretation.
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.
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
- VDB-344870 | D-Link DWR-M921 formLtefotaUpgradeQuectel sub_419920 command injection (technical-description, Third Party Advisory, VDB Entry, vdb-entry)
- VDB-344870 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, Permissions Required, permissions-required, VDB Entry)
- Submit #748838 | D-Link DWR-M921 V1.1.50 Command Injection (Third Party Advisory, VDB Entry, third-party-advisory)
- cna@vuldb.com (issue-tracking, Exploit, exploit, Issue Tracking)
- cna@vuldb.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.