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PatchSiren cyber security CVE debrief

CVE-2026-11339 D-Link CVE debrief

A command injection vulnerability was detected in D-Link DWR-M920 up to 1.1.50. The affected element is the function sub_41CF20 of the file /boafrm/formUSSDSetup. The manipulation of the argument ussdValue results in command injection. It is possible to launch the attack remotely. The exploit is now public and may be used.

Vendor
D-Link
Product
DWR-M920
CVSS
LOW 2.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-05
Original CVE updated
2026-06-09
Advisory published
2026-06-05
Advisory updated
2026-06-09

Who should care

Administrators and users of D-Link DWR-M920 up to 1.1.50

Technical summary

The vulnerability has a CVSS score of 2.1 and a CVSS severity of LOW. The CVSS vector is CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X.

Defensive priority

LOW

Recommended defensive actions

  • Update to a version of D-Link DWR-M920 firmware that is not vulnerable
  • Limit access to the /boafrm/formUSSDSetup file

Evidence notes

The vulnerability was detected in D-Link DWR-M920 up to 1.1.50. The affected element is the function sub_41CF20 of the file /boafrm/formUSSDSetup.

Official resources

CVE-2026-11339 was published on 2026-06-05T17:16:46.193Z and modified on 2026-06-09T16:17:35.963Z.