CVE-2026-4210

D-Link DNS-1550-04 time_machine.cgi cgi_tm_set_share command injection

State: Published
Severity: 5.3 Medium
Published: Mar 16, 2026
Updated: Mar 16, 2026
Reserved: Mar 15, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	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	VulDB
3.1	6.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R	VulDB
3.0	6.3 Medium	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R	VulDB
2.0	6.5 Medium	AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR	VulDB

Weaknesses

CWE-77 Command Injection
CWE-74 Injection

Affected Products

Product	Versions
DNS-120D-Link	20260205Affected
DNR-202LD-Link	20260205Affected
DNS-315LD-Link	20260205Affected
DNS-320D-Link	20260205Affected
DNS-320LD-Link	20260205Affected
DNS-320LWD-Link	20260205Affected
DNS-321D-Link	20260205Affected
DNR-322LD-Link	20260205Affected
DNS-323D-Link	20260205Affected
DNS-325D-Link	20260205Affected
DNS-326D-Link	20260205Affected
DNS-327LD-Link	20260205Affected
DNR-326D-Link	20260205Affected
DNS-340LD-Link	20260205Affected
DNS-343D-Link	20260205Affected
DNS-345D-Link	20260205Affected
DNS-726-4D-Link	20260205Affected
DNS-1100-4D-Link	20260205Affected
DNS-1200-05D-Link	20260205Affected
DNS-1550-04D-Link	20260205Affected

References

VDB-351121 | D-Link DNS-1550-04 time_machine.cgi cgi_tm_set_share command injectionvdb-entrytechnical-description
VDB-351121 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
Submit #770440 | D-Link DNS-120/202L/315L/320/320L/320LW/321/322L/323/325/326/327L/326/340L/343/345/726-4/1100-4/1200-05/1550-04 up to 20260205 Command Injectionthird-party-advisory
https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_159/159.mdexploit
https://www.dlink.com/broken-linkproduct

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