Critical severity · published Sep 14, 2026
CVE-2026-90703
D-Link DWR-M921 formDiskCreateShare system os command injection
9.1
CVSS
3.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)3.6% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DW
DWR-M921 · D-Link
1.1.52 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-90703
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-90703
gist.github.com
https://gist.github.com/H3rmesk1t/24a09e799cd873abde6a2a806a030568
vuldb.com
https://vuldb.com/cve/CVE-2026-90703
vuldb.com
https://vuldb.com/submit/917695
vuldb.com
https://vuldb.com/vuln/403245
vuldb.com
https://vuldb.com/vuln/403245/cti
www.dlink.com
https://www.dlink.com/
More from DWR-M921
9.1
CVE-2026-90702
D-Link DWR-M921 formDiskFormat system os command injection
8.8
CVE-2026-2169
D-Link DWR-M921 formLtefotaUpgradeFibocom command injection
8.8
CVE-2026-2168
D-Link DWR-M921 formLtefotaUpgradeQuectel sub_419920 command injection
7.2
CVE-2026-2085
D-Link DWR-M921 USSD Configuration Endpoint formUSSDSetup sub_419F20 command injection
6.6
CVE-2026-90706
D-Link DWR-M921 formWsc os command injection
