CVE-2026-4195— D-Link DNS-1550-04 wizard_mgr.cgi command injection
Quick assessment
Affected
D-Link DNS-120
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
D-Link DNS-320等都是中国友讯（D-Link）公司的产品。D-Link DNS-320是一款NAS（网络附属存储）设备。D-Link DNS-120是一个网络存储适配器。D-Link DNS-315L是一个网络附加存储器。 D-Link多款产品存在命令注入漏洞，该漏洞源于对文件/cgi-bin/wizard_mgr.cgi的错误操作，可能导致命令注入。以下产品及版本受到影响：DNS-120、DNR-202L、DNS-315L、DNS-320、DNS-320L、DNS-320LW、DNS-321
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-4195
Vulnerability Information
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Vulnerability Title
D-Link DNS-1550-04 wizard_mgr.cgi command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw 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 affects an unknown function of the file /cgi-bin/wizard_mgr.cgi. Executing a manipulation can lead to command injection. The attack can be executed remotely. The exploit has been published and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
D-Link多款产品 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DNS-320等都是中国友讯（D-Link）公司的产品。D-Link DNS-320是一款NAS（网络附属存储）设备。D-Link DNS-120是一个网络存储适配器。D-Link DNS-315L是一个网络附加存储器。 D-Link多款产品存在命令注入漏洞，该漏洞源于对文件/cgi-bin/wizard_mgr.cgi的错误操作，可能导致命令注入。以下产品及版本受到影响：DNS-120、DNR-202L、DNS-315L、DNS-320、DNS-320L、DNS-320LW、DNS-321
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| D-Link | DNS-120 | 20260205 | - |
|
| D-Link | DNR-202L | 20260205 | - |
|
| D-Link | DNS-315L | 20260205 | - |
|
| D-Link | DNS-320 | 20260205 | - |
|
| D-Link | DNS-320L | 20260205 | - |
|
| D-Link | DNS-320LW | 20260205 | - |
|
| D-Link | DNS-321 | 20260205 | - |
|
| D-Link | DNR-322L | 20260205 | - |
|
| D-Link | DNS-323 | 20260205 | - |
|
| D-Link | DNS-325 | 20260205 | - |
|
| D-Link | DNS-326 | 20260205 | - |
|
| D-Link | DNS-327L | 20260205 | - |
|
| D-Link | DNR-326 | 20260205 | - |
|
| D-Link | DNS-340L | 20260205 | - |
|
| D-Link | DNS-343 | 20260205 | - |
|
| D-Link | DNS-345 | 20260205 | - |
|
| D-Link | DNS-726-4 | 20260205 | - |
|
| D-Link | DNS-1100-4 | 20260205 | - |
|
| D-Link | DNS-1200-05 | 20260205 | - |
|
| D-Link | DNS-1550-04 | 20260205 | - |
|
II. Public POCs for CVE-2026-4195
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|---|
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Vendor Pages for CVE-2026-4195 (1)
Other References for CVE-2026-4195 (1)
-
Too many requests · GitHub exploit
Same Patch Batch · D-Link · 2026-03-15 · 11 CVEs total
| CVE-2026-4184 | 9.8 CRITICAL | D-Link DIR-816 goahead form2Wl5BasicSetup.cgi stack-based overflow |
| CVE-2026-4183 | 9.8 CRITICAL | D-Link DIR-816 goahead form2WlanBasicSetup.cgi stack-based overflow |
| CVE-2026-4182 | 9.8 CRITICAL | D-Link DIR-816 goahead form2Wl5RepeaterStep2.cgi stack-based overflow |
| CVE-2026-4181 | 9.8 CRITICAL | D-Link DIR-816 goahead form2RepeaterStep2.cgi stack-based overflow |
| CVE-2026-4188 | 8.8 HIGH | D-Link DIR-619L boa formSchedule stack-based overflow |
| CVE-2026-4194 | 7.3 HIGH | D-Link DNS-1550-04 system_mgr.cgi cgi_set_wto access control |
| CVE-2026-4193 | 7.3 HIGH | D-Link DIR-823G goahead UpdateClientInfo access control |
| CVE-2026-4180 | 7.3 HIGH | D-Link DIR-816 goahead redirect.asp access control |
| CVE-2026-4197 | 6.3 MEDIUM | D-Link DNS-1550-04 download_mgr.cgi RSS_Item_List command injection |
| CVE-2026-4196 | 6.3 MEDIUM | D-Link DNS-1550-04 remote_backup.cgi cgi_set_rsync_server command injection |
IV. Related Vulnerabilities
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-
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-
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Same weakness: CWE-77
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V. Comments for CVE-2026-4195
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