CVE-2026-90703: D-Link DWR-M921 formDiskCreateShare system os command injection

Severity: critical (CVSS 9.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-14 · updated 2026-09-15
Weakness: CWE-77

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

D-Link DWR-M921: 1.1.52

References

https://gist.github.com/H3rmesk1t/24a09e799cd873abde6a2a806a030568
https://vuldb.com/cve/CVE-2026-90703
https://vuldb.com/submit/917695
https://vuldb.com/vuln/403245
https://vuldb.com/vuln/403245/cti
https://www.dlink.com/

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