CVE-2026-11339

D-Link DWR-M920 formUSSDSetup sub_41CF20 command injection

HIGH
8.8
CVSS Score
Published: June 5, 2026 at 04:30 PM UTC
Updated: October 26, 2026 at 11:10 AM UTC
2 products affected across 2 vendorsDwr M920 Firmwaredwr-m920· also runs on 1 platform

Using DWR-M920 by D-Link?

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Severity
HIGH8.8
Exploit prediction
EPSS 3%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (6)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/vuln/368881
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/vuln/368881/cti
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/cve/CVE-2026-11339
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/submit/832579
ExploitMitigationThird Party Advisory
Source: cverecord
https://github.com/7u7777/Dlink/blob/DWR-M920/formUSSDSetup.md
Product
Source: cverecord
https://www.dlink.com/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-77CWE-74

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