D-Link DIR-842 vsftpd vsftpd.conf default permission
Summary
| CVE | CVE-2026-19893 |
|---|---|
| State | PUBLISHED |
| Assigner | VulDB |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-15 12:16:32 UTC |
| Updated | 2026-08-20 12:48:31 UTC |
| Description | A vulnerability was identified in D-Link DIR-842 2.01.B04. This impacts an unknown function of the file /etc/vsftpd.conf of the component vsftpd. Such manipulation leads to incorrect default permissions. It is possible to launch the attack remotely. A high complexity level is associated with this attack. The exploitability is said to be difficult. |
Risk And Classification
Primary CVSS: v4.0 2.3 LOW from [email protected]
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/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: 0.002860000 probability, percentile 0.212360000 (date 2026-08-20)
Problem Types: CWE-266 | CWE-276 | CWE-276 Incorrect Default Permissions | CWE-266 Incorrect Privilege Assignment
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 2.3 | LOW | CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/C... |
| 4.0 | CNA | DECLARED | 2.3 | LOW | CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X |
| 3.1 | [email protected] | Secondary | 3.1 | LOW | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N |
| 3.1 | CNA | DECLARED | 3.1 | LOW | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:X/RL:X/RC:R |
| 3.0 | CNA | DECLARED | 3.1 | LOW | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:X/RL:X/RC:R |
| 2.0 | [email protected] | Secondary | 2.1 | AV:N/AC:H/Au:S/C:N/I:P/A:N | |
| 2.0 | CNA | DECLARED | 2.1 | AV:N/AC:H/Au:S/C:N/I:P/A:N/E:ND/RL:ND/RC:UR |
CVSS v4.0 Breakdown
Attack Vector
NetworkAttack Complexity
HighAttack Requirements
NonePrivileges Required
LowUser Interaction
NoneConfidentiality
NoneIntegrity
LowAvailability
NoneSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/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
HighPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
LowAvailability
NoneCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
HighPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
LowAvailability
NoneCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:X/RL:X/RC:R
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| vuldb.com/vuln/390081 | [email protected] | vuldb.com | |
| vuldb.com/vuln/390081/cti | [email protected] | vuldb.com | |
| vuldb.com/cve/CVE-2026-19893 | [email protected] | vuldb.com | |
| app.notion.com/p/DIR-842-2-01-B04-38b1f5ba98908074af60fc69628dfb71 | [email protected] | app.notion.com | |
| www.dlink.com | [email protected] | www.dlink.com | |
| vuldb.com/submit/870588 | [email protected] | vuldb.com | |
| 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: L14Utopia (VulDB User) (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2026-08-14T00:00:00.000Z | Advisory disclosed |
| CNA | 2026-08-14T02:00:00.000Z | VulDB entry created |
| CNA | 2026-08-14T20:50:32.000Z | VulDB entry last update |
There are currently no legacy QID mappings associated with this CVE.