RCE in D-Link Dwr-M921
CVE-2026-90702
A flaw has been found in D-Link DWR-M921 1.1.52. Impacted is the function system of the file /boafrm/formDiskFormat. This manipulation of the argument partition causes os command injection. The attack may be initiated remotely. The exploit has been published and may be used.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.036 (89.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.036 · newest: 0.036 · change: 0.000
Affected products
- D-Link Dwr-M921 — versions 1.1.52
Weakness classification (CWE)
References
- vuldb.com/vuln/403244 (technical-description, vdb-entry)
- vuldb.com/vuln/403244/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-90702 (third-party-advisory)
- vuldb.com/submit/917692 (third-party-advisory)
- gist.github.com/H3rmesk1t/1f7efbf4584ce13222e8b0c669e7784a (exploit)
- www.dlink.com/ (product)
Frequently asked questions
- What is CVE-2026-90702?
- CVE-2026-90702 is a critical-severity vulnerability in D-Link Dwr-M921, classified under Command Injection. CVSS score: 9.1/10. Published 2026-09-14.
- How severe is CVE-2026-90702?
- Critical severity. CVSS v3 base score is 9.1 out of 10.