CVE-2026-11339

D-Link DWR-M920 formUSSDSetup sub_41CF20 command injection

State: Published
Severity: 5.3 Medium
Published: Jun 5, 2026
Updated: Jun 9, 2026
Reserved: Jun 5, 2026

Description

A 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.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	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	VulDB
3.1	6.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R	VulDB
3.0	6.3 Medium	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R	VulDB
2.0	6.5 Medium	AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR	VulDB

Weaknesses

CWE-77 Command Injection
CWE-74 Injection

Affected Products

Product	Versions
DWR-M920D-Link	1.1.0Affected 1.1.1Affected 1.1.2Affected 1.1.3Affected 1.1.4Affected 1.1.5Affected 1.1.6Affected 1.1.7Affected 1.1.8Affected 1.1.9Affected 1.1.10Affected 1.1.11Affected 1.1.12Affected 1.1.13Affected 1.1.14Affected 1.1.15Affected 1.1.16Affected 1.1.17Affected 1.1.18Affected 1.1.19Affected 1.1.20Affected 1.1.21Affected 1.1.22Affected 1.1.23Affected 1.1.24Affected and 26 more versions

References

VDB-368881 | D-Link DWR-M920 formUSSDSetup sub_41CF20 command injectionvdb-entrytechnical-description
VDB-368881 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
CVE-2026-11339 | CVE Analysis and Reportthird-party-advisory
Submit #832579 | D-Link DWR-M920 1.1.50 Code Injection and Buffer Overflowthird-party-advisory
https://github.com/7u7777/Dlink/blob/DWR-M920/formUSSDSetup.mdexploit
https://www.dlink.com/product

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