Skip to content
Noroxi
CVE-2025-15191· NVD / CVE Program· CNA VulDB

D-Link DWR-M920 formLtefotaUpgradeFibocom sub_4155B4 command injection

A weakness has been identified in D-Link DWR-M920 up to 1.1.50. The affected element is the function sub_4155B4 of the file /boafrm/formLtefotaUpgradeFibocom. This manipulation of the argument fota_url causes command injection. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be exploited.

LowCVSS 2.1 · v4.0—No exploit No fix recorded

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help
Published
Dec 29, 2025
Updated
Jun 17, 2026
EPSS
4.1% · 90th percentile
Follow this CVE

Sign in to follow · You’ll be notified if a followed record enters KEV, gets an exploit or is updated.

Report tools

JSON

Action score

9

Monitor

Low priority for now.

CVSS
8 / 40 · 2.1 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 4.1%

CISA SSVC decision

Exploitation
proof of concept
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · VulDB
5.3
NVD has not scored this yet; the score shown is the CNA’s.

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

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
dlinkdwr-m920 firmware
dlinkdwr-m920

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • dlink dwr-m920 firmwareup to 1.1.50 inclusive

Versions reported by the vendor

Affected version ranges reported by the assigning authority (VulDB). Independent of NVD's CPE analysis and usually ahead of it.

  • D-Link DWR-M920

    • 1.1.0, 1.1.1, 1.1.2, 1.1.3, 1.1.4, 1.1.5, 1.1.6, 1.1.7, 1.1.8, 1.1.9, 1.1.10, 1.1.11 … (+28)affected

Same product

dlink: all records

Other highest-scoring records for the same primary product.

  • CVE-2025-15193D-Link DWR-M920 formParentControl sub_423848 buffer overflow
    29Monitor
  • CVE-2025-15190D-Link DWR-M920 formFilter sub_42261C stack-based overflow
    29Monitor
  • CVE-2025-15189D-Link DWR-M920 formDefRoute sub_464794 buffer overflow
    29Monitor
  • CVE-2025-13553D-Link DWR-M920 formPinManageSetup sub_41C7FC buffer overflow
    29Monitor
  • CVE-2025-13306D-Link DWR-M920/DWR-M921/DIR-822K/DIR-825M formDebugDiagnosticRun system command injection
    10Monitor
  • CVE-2026-11339D-Link DWR-M920 formUSSDSetup sub_41CF20 command injection
    9Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days+1% in 7 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2025-1330642 days apartD-Link DWR-M920/DWR-M921/DIR-822K/DIR-825M formDebugDiagnosticRun system command injection
    10Monitor
  • CVE-2025-151920 days apartD-Link DWR-M920 formLtefotaUpgradeQuectel sub_415328 command injection
    9Monitor
  • CVE-2026-10878157 days apartD-Link DWR-M920 formSmsManage sub_41C8E8 command injection
    9Monitor
  • CVE-2026-11339158 days apartD-Link DWR-M920 formUSSDSetup sub_41CF20 command injection
    9Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
Integrity
Availability
Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
X

Weakness class (CWE)

CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CVSS vector

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

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records