D-Link DGS-3420 System Information Settings cross site scripting
Summary
| CVE | CVE-2026-7026 |
|---|---|
| State | PUBLISHED |
| Assigner | VulDB |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-04-26 08:16:01 UTC |
| Updated | 2026-04-30 14:11:03 UTC |
| 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. |
Risk And Classification
Primary CVSS: v4.0 5.4 MEDIUM from [email protected]
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:H/VA:N/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: 0.000180000 probability, percentile 0.047830000 (date 2026-05-05)
Problem Types: CWE-79 | CWE-94 | CWE-79 Cross Site Scripting | CWE-94 Code Injection
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 5.4 | MEDIUM | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P/C... |
| 4.0 | CNA | DECLARED | 6.8 | MEDIUM | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P |
| 3.1 | [email protected] | Primary | 4.8 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
| 3.1 | [email protected] | Secondary | 4.5 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N |
| 3.1 | CNA | DECLARED | 4.5 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N/E:P/RL:X/RC:R |
| 3.0 | CNA | DECLARED | 4.5 | MEDIUM | CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N/E:P/RL:X/RC:R |
| 2.0 | [email protected] | Secondary | 6.1 | AV:N/AC:L/Au:M/C:N/I:C/A:N | |
| 2.0 | CNA | DECLARED | 6.1 | AV:N/AC:L/Au:M/C:N/I:C/A:N/E:POC/RL:ND/RC:UR |
CVSS v4.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowAttack Requirements
NonePrivileges Required
HighUser Interaction
PassiveConfidentiality
NoneIntegrity
HighAvailability
NoneSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:H/VA:N/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
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
HighUser Interaction
RequiredScope
ChangedConfidentiality
LowIntegrity
LowAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
HighUser Interaction
RequiredScope
UnchangedConfidentiality
NoneIntegrity
HighAvailability
NoneCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N/E:P/RL:X/RC:R
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Dlink | Dgs-3420-28tc | - | All | All | All |
| Operating System | Dlink | Dgs-3420-28tc Firmware | 1.50.018 | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| vuldb.com/vuln/359606 | [email protected] | vuldb.com | Third Party Advisory, VDB Entry |
| www.dlink.com | [email protected] | www.dlink.com | Product |
| vuldb.com/submit/797877 | [email protected] | vuldb.com | Third Party Advisory, VDB Entry |
| vuldb.com/vuln/359606/cti | [email protected] | vuldb.com | Permissions Required, VDB Entry |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Fergod (VulDB User) (en)
CNA: VulDB Vulnerability Moderation Team (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2026-04-25T00:00:00.000Z | Advisory disclosed |
| CNA | 2026-04-25T02:00:00.000Z | VulDB entry created |
| CNA | 2026-04-25T16:19:10.000Z | VulDB entry last update |
There are currently no legacy QID mappings associated with this CVE.