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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.

PUBLISHED Reserved 2026-06-05 | Published 2026-06-05 | Updated 2026-06-05 | Assigner VulDB




MEDIUM: 5.3CVSS: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
MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Command Injection

Injection

Product status

1.1.0
affected

1.1.1
affected

1.1.2
affected

1.1.3
affected

1.1.4
affected

1.1.5
affected

1.1.6
affected

1.1.7
affected

1.1.8
affected

1.1.9
affected

1.1.10
affected

1.1.11
affected

1.1.12
affected

1.1.13
affected

1.1.14
affected

1.1.15
affected

1.1.16
affected

1.1.17
affected

1.1.18
affected

1.1.19
affected

1.1.20
affected

1.1.21
affected

1.1.22
affected

1.1.23
affected

1.1.24
affected

1.1.25
affected

1.1.26
affected

1.1.27
affected

1.1.28
affected

1.1.29
affected

1.1.30
affected

1.1.31
affected

1.1.32
affected

1.1.33
affected

1.1.34
affected

1.1.35
affected

1.1.36
affected

1.1.37
affected

1.1.38
affected

1.1.39
affected

1.1.40
affected

1.1.41
affected

1.1.42
affected

1.1.43
affected

1.1.44
affected

1.1.45
affected

1.1.46
affected

1.1.47
affected

1.1.48
affected

1.1.49
affected

1.1.50
affected

Timeline

2026-06-05:Advisory disclosed
2026-06-05:VulDB entry created
2026-06-05:VulDB entry last update

Credits

kkff33 (VulDB User) reporter

References

vuldb.com/vuln/368881 (VDB-368881 | D-Link DWR-M920 formUSSDSetup sub_41CF20 command injection) vdb-entry technical-description

vuldb.com/vuln/368881/cti (VDB-368881 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/cve/CVE-2026-11339 (CVE-2026-11339 | CVE Analysis and Report) third-party-advisory

vuldb.com/submit/832579 (Submit #832579 | D-Link DWR-M920 1.1.50 Code Injection and Buffer Overflow) third-party-advisory

github.com/7u7777/Dlink/blob/DWR-M920/formUSSDSetup.md exploit

www.dlink.com/ product

cve.org (CVE-2026-11339)

nvd.nist.gov (CVE-2026-11339)

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