Vulnerability Monitor

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CVE-2026-4210


A security flaw has been discovered in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, 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 20260205. Affected by this vulnerability is the function cgi_tm_set_share of the file /cgi-bin/time_machine.cgi. The manipulation of the argument Name results in command injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.3, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts limited data confidentiality, limited integrity, and limited availability for affected systems. Impacting 40 products from dlink, from dlink, from dlink and 37 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2026, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2026-03-16T14:20:07.113

Last Modified

2026-03-19T14:28:39.767

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 6.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: SINGLE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

8.0

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-74
    CWE-77
  • Type: Primary
    CWE-77

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System dlink dnr-202l_firmware ≤ 2026-02-05 Yes
Hardware dlink dnr-202l - No
Operating System dlink dnr-326_firmware ≤ 2026-02-05 Yes
Hardware dlink dnr-326 - No
Operating System dlink dns-1100-4_firmware ≤ 2026-02-05 Yes
Hardware dlink dns-1100-4 - No
Operating System dlink dns-120_firmware ≤ 2026-02-05 Yes
Hardware dlink dns-120 - No
Operating System dlink dns-1200-05_firmware ≤ 2026-02-05 Yes
Hardware dlink dns-1200-05 - No
Operating System dlink dns-1550-04_firmware ≤ 2026-02-05 Yes
Hardware dlink dns-1550-04 - No
Operating System dlink dns-315l_firmware ≤ 2026-02-05 Yes
Hardware dlink dns-315l - No
Operating System dlink dns-320_firmware ≤ 2026-02-05 Yes
Hardware dlink dns-320 - No
Operating System dlink dns-320l_firmware ≤ 2026-02-05 Yes
Hardware dlink dns-320l - No
Operating System dlink dns-320lw_firmware ≤ 2026-02-05 Yes
Hardware dlink dns-320lw - No
Operating System dlink dns-321_firmware ≤ 2026-02-05 Yes
Hardware dlink dns-321 - No
Operating System dlink dns-322l_firmware ≤ 2026-02-05 Yes
Hardware dlink dns-322l - No
Operating System dlink dns-323_firmware ≤ 2026-02-05 Yes
Hardware dlink dns-323 - No
Operating System dlink dns-325_firmware ≤ 2026-02-05 Yes
Hardware dlink dns-325 - No
Operating System dlink dns-326_firmware ≤ 2026-02-05 Yes
Hardware dlink dns-326 - No
Operating System dlink dns-327l_firmware ≤ 2026-02-05 Yes
Hardware dlink dns-327l - No
Operating System dlink dns-340l_firmware ≤ 2026-02-05 Yes
Hardware dlink dns-340l - No
Operating System dlink dns-343_firmware ≤ 2026-02-05 Yes
Hardware dlink dns-343 - No
Operating System dlink dns-345_firmware ≤ 2026-02-05 Yes
Hardware dlink dns-345 - No
Operating System dlink dns-726-4_firmware ≤ 2026-02-05 Yes
Hardware dlink dns-726-4 - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For dlink's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.