RCE in D-Link Dwr-M921
CVE-2026-90703
A vulnerability has been found in D-Link DWR-M921 1.1.52. The affected element is the function system of the file /boafrm/formDiskCreateShare. Such manipulation of the argument folderpath leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public 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 (89.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.5% 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/403245 (technical-description, vdb-entry)
- vuldb.com/vuln/403245/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-90703 (third-party-advisory)
- vuldb.com/submit/917695 (third-party-advisory)
- gist.github.com/H3rmesk1t/24a09e799cd873abde6a2a806a030568 (exploit)
- www.dlink.com/ (product)
Frequently asked questions
- What is CVE-2026-90703?
- CVE-2026-90703 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-2026-90703?
- Critical severity. CVSS v3 base score is 9.1 out of 10.