Vulnerability · Published Sep 14, 2026 · Assigned by VulDB
CVE-2026-90703D-Link DWR-M921 formDiskCreateShare system os command injection
Critical 9.1
In plain English
A critical-severity OS command injection in DWR-M921 from D-Link. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 3.6% (higher than 90% of all known vulnerabilities).
Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)3.6%top 10.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
Weakness: CWE-78, CWE-77 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
References
- VDB-403245 | D-Link DWR-M921 formDiskCreateShare system os command injection vdb-entry, technical-description
- VDB-403245 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-90703 | CVE Analysis and Report third-party-advisory
- Submit #917695 | D-Link Router D-Link DWR-M921 V1.1.52 Command Injection third-party-advisory
- https://gist.github.com/H3rmesk1t/24a09e799cd873abde6a2a806a030568 exploit
- https://www.dlink.com/ product