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CVE-2026-4196

6.3 · MEDIUM

A vulnerability has been found 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-…

Published Mar 16, 2026dlinkCWE-74EPSS 4.27%

Overview

CVE-2026-4196 is a medium-severity vulnerability affecting dlink dns-1550-04_firmware. It was published on March 16, 2026 and has a CVSS 3.1 base score of 6.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

A vulnerability has been found 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. This impacts the function cgi_recovery/cgi_backup_now/cgi_set_schedule/cgi_set_rsync_server of the file /cgi-bin/remote_backup.cgi. The manipulation leads to command injection. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.

Remediation

Check the references section for vendor advisories and patches from dlink. Update dns-1550-04_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
dlinkdns-1550-04_firmware0Affected
dlinkdns-315l_firmware0Affected
dlinkdns-320_firmware0Affected
dlinkdns-320l_firmware0Affected
dlinkdns-320lw_firmware0Affected
dlinkdns-321_firmware0Affected
dlinkdns-322l_firmware0Affected
dlinkdns-323_firmware0Affected
dlinkdns-325_firmware0Affected
dlinkdns-326_firmware0Affected

References

GitHubgithub.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_98/98.mdGitHubgithub.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_99/99.mdRefvuldb.com/?ctiid.351108Refvuldb.com/?id.351108Refvuldb.com/?submit.769855Refvuldb.com/?submit.769856Refvuldb.com/?submit.769857Refvuldb.com/?submit.769858Refwww.dlink.com/

How CyberStrike helps

Frequently asked questions

What is CVE-2026-4196?

CVE-2026-4196 is a medium-severity vulnerability affecting dlink dns-1550-04_firmware. It was published on March 16, 2026 and has a CVSS 3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2026-4196?

This vulnerability has a CVSS 3.1 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-4196?

Check the references section for vendor advisories and patches from dlink. Update dns-1550-04_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-4196?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-4196 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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