dbcve.org
Dsl 3782 FirmwareOperating system · Dlink

CVE-2025-25894

HIGH · 8.0 CVSS v3.1 Published 2025-02-18
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
82/100
Remediation priority · High
Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
An OS command injection vulnerability was discovered in D-Link DSL-3782 v1.01 via the samba_wg and samba_nbn parameters. This vulnerability allows attackers to execute arbitrary operating system (OS) commands via a crafted packet.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

D-Link DSL-3782 firmware v1.01 contains an OS command injection vulnerability in the samba_wg and samba_nbn parameters of the web management interface. Attackers can send specially crafted HTTP requests with malicious shell commands that get executed with root privileges on the device's underlying Linux operating system.

MitigationThis device is end-of-life with no vendor patch available. Organizations should replace the device with a supported model. Immediate mitigations include placing the device behind a firewall with restrictive access controls, disabling the affected SMB/wizard functionality if possible, and monitoring for exploitation attempts.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Dsl 3782 FirmwareOperating system
Affected:= 1.01

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Adjacent
Complexity
Low
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Confirm device model is D-Link DSL-3782
    Access the device's web management interface and check the status or system information page, or look for 'DSL-3782' labeling on the physical device
    Affected if The device is not a D-Link DSL-3782 model
  2. Verify firmware version is 1.01
    Log into the web management interface and navigate to the firmware/version information section, typically found under 'Status' or 'System' > 'Device Info'. Compare the displayed firmware version to '1.01'
    Affected if Firmware version is exactly 1.01
  3. Check if web management interface is accessible from network
    Attempt to access the device's HTTP/HTTPS web interface on its LAN or WAN IP address (typically 192.168.1.1 or similar). Determine if the interface responds to requests
    Affected if The web management interface is reachable from a network segment where attackers could send HTTP requests
  4. Identify if SMB or wizard functionality is exposed
    Locate the SMB configuration or wizard settings within the web management interface. These are typically found under 'Network Settings', 'Advanced', or 'Quick Setup' menus
    Affected if SMB or wizard configuration pages are accessible and functional in the interface
  5. Review HTTP request logs for suspicious samba_wg or samba_nbn parameters
    If available, examine device logs, firewall logs, or network traffic captures for HTTP requests to the management interface containing parameters named 'samba_wg' or 'samba_nbn' with unexpected values
    Affected if Logs show requests with shell metacharacters or unusual command-like strings in these parameters

Your environment is affected if you are running D-Link DSL-3782 firmware version 1.01 and the web management interface with SMB/wizard functionality is accessible to untrusted networks.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

This device is end-of-life with no vendor patch available. Organizations should replace the device with a supported model. Immediate mitigations include placing the device behind a firewall with restrictive access controls, disabling the affected SMB/wizard functionality if possible, and monitoring for exploitation attempts.

Fix this in Dsl 3782 Firmware Scoped from the published advisory
  • Consultation2.0 h
  • Implementation3.0 h
  • Testing2.0 h
  • Review / QA1.0 h
8.0 hours of engineering $1,420
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2025-25894 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
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  • Version or environment caveats, and links to real fixes
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