D-Link DWR-M920 formUSSDSetup sub_41CF20 command injection
Summary
| CVE | CVE-2026-11339 |
|---|---|
| State | PUBLISHED |
| Assigner | VulDB |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-06-05 17:16:46 UTC |
| Updated | 2026-06-09 16:17:35 UTC |
| 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. |
Risk And Classification
Primary CVSS: v4.0 2.1 LOW from [email protected]
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
EPSS: 0.005370000 probability, percentile 0.678980000 (date 2026-06-08)
Problem Types: CWE-74 | CWE-77 | CWE-77 Command Injection | CWE-74 Injection
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 2.1 | LOW | 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/C... |
| 4.0 | CNA | DECLARED | 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 |
| 3.1 | [email protected] | Primary | 8.8 | HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | [email protected] | Secondary | 6.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
| 3.1 | CNA | DECLARED | 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 |
| 3.0 | CNA | DECLARED | 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 |
| 2.0 | [email protected] | Secondary | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P | |
| 2.0 | CNA | DECLARED | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR |
CVSS v4.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowAttack Requirements
NonePrivileges Required
LowUser Interaction
NoneConfidentiality
LowIntegrity
LowAvailability
LowSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS: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
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
LowIntegrity
LowAvailability
LowCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Dlink | Dwr-m920 | - | All | All | All |
| Operating System | Dlink | Dwr-m920 Firmware | 1.1.50 | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | D-Link | DWR-M920 | affected 1.1.0 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.1 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.2 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.3 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.4 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.5 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.6 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.7 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.8 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.9 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.10 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.11 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.12 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.13 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.14 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.15 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.16 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.17 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.18 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.19 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.20 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.21 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.22 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.23 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.24 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.25 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.26 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.27 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.28 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.29 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.30 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.31 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.32 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.33 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.34 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.35 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.36 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.37 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.38 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.39 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.40 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.41 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.42 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.43 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.44 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.45 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.46 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.47 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.48 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.49 | Not specified |
| CNA | D-Link | DWR-M920 | affected 1.1.50 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| vuldb.com/vuln/368881 | [email protected] | vuldb.com | Third Party Advisory, VDB Entry |
| www.dlink.com | [email protected] | www.dlink.com | Product |
| vuldb.com/cve/CVE-2026-11339 | [email protected] | vuldb.com | Third Party Advisory, VDB Entry |
| vuldb.com/vuln/368881/cti | [email protected] | vuldb.com | Permissions Required, VDB Entry |
| github.com/7u7777/Dlink/blob/DWR-M920/formUSSDSetup.md | [email protected] | github.com | Exploit, Mitigation, Third Party Advisory |
| vuldb.com/submit/832579 | [email protected] | vuldb.com | Third Party Advisory, VDB Entry |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: kkff33 (VulDB User) (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2026-06-05T00:00:00.000Z | Advisory disclosed |
| CNA | 2026-06-05T02:00:00.000Z | VulDB entry created |
| CNA | 2026-06-05T10:23:13.000Z | VulDB entry last update |
There are currently no legacy QID mappings associated with this CVE.