RCE in D-Link Dwr-M921
CVE-2026-90705
A vulnerability was determined in D-Link DWR-M921 1.1.52. This affects the function formsysCmd of the file /boafrm/formsysCmd of the component Boa Dispatch Table. Executing a manipulation of the argument sysCmd can lead to os command injection. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.023 (83.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000
Affected products
- D-Link Dwr-M921 — versions 1.1.52
Weakness classification (CWE)
References
- vuldb.com/vuln/403247 (technical-description, vdb-entry)
- vuldb.com/vuln/403247/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-90705 (third-party-advisory)
- vuldb.com/submit/917697 (third-party-advisory)
- gist.github.com/H3rmesk1t/42bca7c81530b8419811ddcbd39b3b56 (exploit)
- www.dlink.com/ (product)
Frequently asked questions
- What is CVE-2026-90705?
- CVE-2026-90705 is a medium-severity vulnerability in D-Link Dwr-M921, classified under Command Injection. CVSS score: 6.6/10. Published 2026-09-14.
- How severe is CVE-2026-90705?
- Medium severity. CVSS v3 base score is 6.6 out of 10.