CVE-2026-4206
Remote Command Injection in D-Link dsk_mgr.cgi Component
Publication date: 2026-03-16
Last updated on: 2026-04-29
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| dlink | dnr-202l_firmware | to 2026-02-05 (inc) |
| dlink | dnr-326_firmware | to 2026-02-05 (inc) |
| dlink | dns-1100-4_firmware | to 2026-02-05 (inc) |
| dlink | dns-120_firmware | to 2026-02-05 (inc) |
| dlink | dns-1200-05_firmware | to 2026-02-05 (inc) |
| dlink | dns-1550-04_firmware | to 2026-02-05 (inc) |
| dlink | dns-315l_firmware | to 2026-02-05 (inc) |
| dlink | dns-320_firmware | to 2026-02-05 (inc) |
| dlink | dns-320l_firmware | to 2026-02-05 (inc) |
| dlink | dns-320lw_firmware | to 2026-02-05 (inc) |
| dlink | dns-321_firmware | to 2026-02-05 (inc) |
| dlink | dns-322l_firmware | to 2026-02-05 (inc) |
| dlink | dns-323_firmware | to 2026-02-05 (inc) |
| dlink | dns-325_firmware | to 2026-02-05 (inc) |
| dlink | dns-326_firmware | to 2026-02-05 (inc) |
| dlink | dns-327l_firmware | to 2026-02-05 (inc) |
| dlink | dns-340l_firmware | to 2026-02-05 (inc) |
| dlink | dns-343_firmware | to 2026-02-05 (inc) |
| dlink | dns-345_firmware | to 2026-02-05 (inc) |
| dlink | dns-726-4_firmware | to 2026-02-05 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-77 | The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. |
| CWE-74 | The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability affects multiple D-Link devices including DNS-120, DNR-202L, DNS-315L, DNS-320 series, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05, and DNS-1550-04 up to version 20260205.
It is related to the functions FMT_rebuild_diskmgr, FMT_create_diskmgr, and ScanDisk_run_e2fsck in the file /cgi-bin/dsk_mgr.cgi.
By manipulating these functions, an attacker can perform command injection remotely, meaning they can execute arbitrary commands on the affected device.
The exploit for this vulnerability has been made public.
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know
How can this vulnerability impact me? :
This vulnerability allows remote attackers to inject and execute arbitrary commands on affected D-Link devices.
Successful exploitation could lead to unauthorized control over the device, potentially allowing attackers to disrupt device functionality, access sensitive data, or use the device as a foothold for further network attacks.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know