CVE-2026-4196

Name: CVE-2026-4196
Creator: NVD / NIST
Published: 2026-03-16T14:20:03.73+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.1/10EPSS 3.74%

Last modified Jun 17, 2026

CVE-2026-4196 is a low-severity vulnerability rated 2.1/10 on the CVSS scale. 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. EPSS estimates a 3.74% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

CVSS 4.0

2.1/10

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

EPSS Probability

3.74%

88.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Dlink	Dns-1550-04 Firmware	<= 2026-02-05
Dlink	Dns-315l Firmware	<= 2026-02-05
Dlink	Dns-320 Firmware	<= 2026-02-05
Dlink	Dns-320l Firmware	<= 2026-02-05
Dlink	Dns-320lw Firmware	<= 2026-02-05
Dlink	Dns-321 Firmware	<= 2026-02-05
Dlink	Dns-322l Firmware	<= 2026-02-05
Dlink	Dns-323 Firmware	<= 2026-02-05
Dlink	Dns-325 Firmware	<= 2026-02-05
Dlink	Dns-326 Firmware	<= 2026-02-05
Dlink	Dns-327l Firmware	<= 2026-02-05
Dlink	Dns-340l Firmware	<= 2026-02-05
Dlink	Dns-343 Firmware	<= 2026-02-05
Dlink	Dns-345 Firmware	<= 2026-02-05
Dlink	Dns-726-4 Firmware	<= 2026-02-05
Dlink	Dnr-202l Firmware	<= 2026-02-05
Dlink	Dnr-326 Firmware	<= 2026-02-05
Dlink	Dns-1100-4 Firmware	<= 2026-02-05
Dlink	Dns-120 Firmware	<= 2026-02-05
Dlink	Dns-1200-05 Firmware	<= 2026-02-05

References

https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_98/98.mdExploit, Third Party Advisory
https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_99/99.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.351108Permissions Required, VDB Entry
https://vuldb.com/?id.351108Third Party Advisory, VDB Entry
https://vuldb.com/?submit.769855Third Party Advisory, VDB Entry
https://vuldb.com/?submit.769856Third Party Advisory, VDB Entry
https://vuldb.com/?submit.769857Third Party Advisory, VDB Entry
https://vuldb.com/?submit.769858Third Party Advisory, VDB Entry
https://www.dlink.com/Product

Timeline

Published: Mar 16, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-4196?

How severe is CVE-2026-4196?

CVE-2026-4196 has a CVSS score of 2.1/10 (LOW severity). The EPSS model estimates a 3.74% probability of exploitation in the next 30 days.

How do I fix CVE-2026-4196?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-4196?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST