CVE-2026-19893: Incorrect Default Permissions in D-Link DIR-842
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.
AI Analysis
Technical Summary
This vulnerability affects the D-Link DIR-842 router firmware version 2.01.B04. It concerns incorrect default permissions on the vsftpd configuration file (/etc/vsftpd.conf), which could potentially be manipulated remotely. The attack complexity is high, and exploitability is difficult. The CVSS 4.0 base score is 2.3, indicating low severity. No vendor advisory or patch information is provided.
Potential Impact
The impact is limited due to the low CVSS score (2.3), high attack complexity, and difficult exploitability. The vulnerability could allow unauthorized access or manipulation related to the vsftpd configuration, but no further impact details are available.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround has been disclosed at this time.
CVE-2026-19893: Incorrect Default Permissions in D-Link DIR-842
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.
CVSS v4.0
Score 2.3low
Affected software
cpe:2.3:h:d-link:dir-842:*:*:*:*:*:*:*:*AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects the D-Link DIR-842 router firmware version 2.01.B04. It concerns incorrect default permissions on the vsftpd configuration file (/etc/vsftpd.conf), which could potentially be manipulated remotely. The attack complexity is high, and exploitability is difficult. The CVSS 4.0 base score is 2.3, indicating low severity. No vendor advisory or patch information is provided.
Potential Impact
The impact is limited due to the low CVSS score (2.3), high attack complexity, and difficult exploitability. The vulnerability could allow unauthorized access or manipulation related to the vsftpd configuration, but no further impact details are available.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround has been disclosed at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-08-14T18:45:04.797Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a80577dbf8831d53907ebf2
Added to database: 08/15/2026, 12:11:41 UTC
Last enriched: 08/15/2026, 12:29:12 UTC
Last updated: 08/15/2026, 13:31:24 UTC
Views: 5
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