CVE-2026-7026— D-Link DGS-3420 System Information Settings cross site scripting
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I. Basic Information for CVE-2026-7026
Vulnerability Information
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Vulnerability Title
D-Link DGS-3420 System Information Settings cross site scripting
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was determined in D-Link DGS-3420 1.50.018. This issue affects some unknown processing of the component System Information Settings Page. This manipulation of the argument System Name causes cross site scripting. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
D-Link DGS-3420 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DGS-3420是中国友讯（D-Link）公司的一款面向企业网络的可管理千兆以太网交换机。 D-Link DGS-3420 1.50.018版本存在跨站脚本漏洞，该漏洞源于System Information Settings Page组件对System Name参数操作不当，可能导致跨站脚本攻击。
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
II. Public POCs for CVE-2026-7026
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- Submit #797877: D-Link DGS-3420-28TC 1.50.018 Cross Site Scriptingthird-party-advisory
- CVE-2026-7026 | D-Link DGS-3420 1.50.018 System Information Settings Page System Name cross site scriptingvdb-entrytechnical-description
- https://nvd.nist.gov/vuln/detail/CVE-2026-7026
Same Patch Batch · D-Link · 2026-04-26 · 4 CVEs total
| CVE-2026-7068 | 8.8 HIGH | D-Link DIR-825 nmbd sserver.c NMBD_process buffer overflow |
| CVE-2026-7067 | 7.3 HIGH | D-Link DIR-822 udhcpd DHCP Service dhcpd.c system command injection |
| CVE-2026-7027 | 2.4 LOW | D-Link DSL-2740R Wireless Setup Section cross site scripting |
IV. Related Vulnerabilities
Same vendor: D-Link
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D-Link DNS-320 network_mgr.cgi cgi_upnp_edit os command inje - CVE-2026-8260
D-Link DCS-935L HNAP Service hnap_service SetDeviceSettings - CVE-2026-7857
D-Link DI-8100 CGI user_group.asp sprintf buffer overflow
Same weakness: CWE-79
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V. Comments for CVE-2026-7026
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