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CVE-2026-4210

LOWCVSS 2.1/10EPSS 3.56%

Last modified

CVE-2026-4210 is a low-severity vulnerability rated 2.1/10 on the CVSS scale. 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. EPSS estimates a 3.56% chance of exploitation in the next 30 days.

Description

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.

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
3.56%

87.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
DlinkDnr-202l Firmware<= 2026-02-05
DlinkDnr-326 Firmware<= 2026-02-05
DlinkDns-1100-4 Firmware<= 2026-02-05
DlinkDns-120 Firmware<= 2026-02-05
DlinkDns-1200-05 Firmware<= 2026-02-05
DlinkDns-1550-04 Firmware<= 2026-02-05
DlinkDns-315l Firmware<= 2026-02-05
DlinkDns-320 Firmware<= 2026-02-05
DlinkDns-320l Firmware<= 2026-02-05
DlinkDns-320lw Firmware<= 2026-02-05
DlinkDns-321 Firmware<= 2026-02-05
DlinkDns-322l Firmware<= 2026-02-05
DlinkDns-323 Firmware<= 2026-02-05
DlinkDns-325 Firmware<= 2026-02-05
DlinkDns-326 Firmware<= 2026-02-05
DlinkDns-327l Firmware<= 2026-02-05
DlinkDns-340l Firmware<= 2026-02-05
DlinkDns-343 Firmware<= 2026-02-05
DlinkDns-345 Firmware<= 2026-02-05
DlinkDns-726-4 Firmware<= 2026-02-05

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is 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.
How severe is CVE-2026-4210?
CVE-2026-4210 has a CVSS score of 2.1/10 (LOW severity). The EPSS model estimates a 3.56% probability of exploitation in the next 30 days.
How do I fix CVE-2026-4210?
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-2026-4210?

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

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Source: NVD / NIST