D-Link DNS-1550-04 system_mgr.cgi cgi_ntp_time command injection (D-Link DNS-120)

CVE-2026-4207

MEDIUM 5.3

At a glance

Source: NVD
EPSS: EPSS 6.13 % · percentile 93 (2026-10-29)
State: PUBLISHED
Published: 2026-03-16 02:32 UTC
Updated: 2026-03-16 14:40 UTC
Assigner: VulDB
NVD status: Analyzed

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Description

A vulnerability was determined 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_device/cgi_sms_test/cgi_firmware_upload/cgi_ntp_time of the file /cgi-bin/system_mgr.cgi. Executing a manipulation can lead to command injection. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized.

Weaknesses (CWE)

CWE-77 — Improper Neutralization of Special Elements used in a Command
CWE-74 — Improper Neutralization of Special Elements in Output Used by a Downstream Component

References

Scores

Version	Score	Vector	Scored by
CVSS 4.0	MEDIUM 5.3	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
CVSS 3.1	MEDIUM 6.3	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
CVSS 3.0	MEDIUM 6.3	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
CVSS 2.0	MEDIUM 6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR	VulDB
CVSS 4.0	LOW 2.1	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	NVD · cna@vuldb.com (Secondary)
CVSS 3.1	MEDIUM 6.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L	NVD · cna@vuldb.com (Secondary)
CVSS 3.1	CRITICAL 9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	NVD · nvd@nist.gov (Primary)
CVSS 2.0	MEDIUM 6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P	NVD · cna@vuldb.com (Secondary)

European references

ENISA EUVD · EUVD-2026-12287
GCVE · GCVE-0-2026-4207

Affected configurations (NVD CPE)

cpe:2.3:o:dlink:dnr-202l_firmware:*:*:*:*:*:*:*:* ≤ 2026-02-05
cpe:2.3:o:dlink:dnr-326_firmware:*:*:*:*:*:*:*:* ≤ 2026-02-05
cpe:2.3:o:dlink:dns-1100-4_firmware:*:*:*:*:*:*:*:* ≤ 2026-02-05
cpe:2.3:o:dlink:dns-120_firmware:*:*:*:*:*:*:*:* ≤ 2026-02-05
cpe:2.3:o:dlink:dns-1200-05_firmware:*:*:*:*:*:*:*:* ≤ 2026-02-05
cpe:2.3:o:dlink:dns-1550-04_firmware:*:*:*:*:*:*:*:* ≤ 2026-02-05
cpe:2.3:o:dlink:dns-315l_firmware:*:*:*:*:*:*:*:* ≤ 2026-02-05
cpe:2.3:o:dlink:dns-320_firmware:*:*:*:*:*:*:*:* ≤ 2026-02-05
cpe:2.3:o:dlink:dns-320l_firmware:*:*:*:*:*:*:*:* ≤ 2026-02-05
cpe:2.3:o:dlink:dns-320lw_firmware:*:*:*:*:*:*:*:* ≤ 2026-02-05
cpe:2.3:o:dlink:dns-321_firmware:*:*:*:*:*:*:*:* ≤ 2026-02-05
cpe:2.3:o:dlink:dns-322l_firmware:*:*:*:*:*:*:*:* ≤ 2026-02-05
cpe:2.3:o:dlink:dns-323_firmware:*:*:*:*:*:*:*:* ≤ 2026-02-05
cpe:2.3:o:dlink:dns-325_firmware:*:*:*:*:*:*:*:* ≤ 2026-02-05
cpe:2.3:o:dlink:dns-326_firmware:*:*:*:*:*:*:*:* ≤ 2026-02-05
cpe:2.3:o:dlink:dns-327l_firmware:*:*:*:*:*:*:*:* ≤ 2026-02-05
cpe:2.3:o:dlink:dns-340l_firmware:*:*:*:*:*:*:*:* ≤ 2026-02-05
cpe:2.3:o:dlink:dns-343_firmware:*:*:*:*:*:*:*:* ≤ 2026-02-05
cpe:2.3:o:dlink:dns-345_firmware:*:*:*:*:*:*:*:* ≤ 2026-02-05
cpe:2.3:o:dlink:dns-726-4_firmware:*:*:*:*:*:*:*:* ≤ 2026-02-05

Affected products

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

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD

🟡 D-Link DNS-1550-04 system_mgr.cgi cgi_ntp_time command injection (D-Link DNS-120)