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 D-Link DIR-842 version 2.01.B04 and is caused by incorrect default permissions in the vsftpd configuration file (/etc/vsftpd.conf). The issue allows remote attackers to potentially exploit the misconfigured permissions, although the attack complexity is high and exploitability is difficult. No specific details on the function impacted or the exact nature of the permission misconfiguration are provided. The CVSS 4.0 base score is 2.3, indicating low severity.
Potential Impact
The impact is limited due to the low CVSS score (2.3) and the high complexity required to exploit the vulnerability remotely. There is no indication of privilege escalation, data disclosure, or denial of service beyond the incorrect default permissions. No known exploits are reported in the wild.
Mitigation Recommendations
No official patch or remediation guidance is currently available. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Due to the high complexity and low exploitability, immediate urgent action is not indicated.
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 D-Link DIR-842 version 2.01.B04 and is caused by incorrect default permissions in the vsftpd configuration file (/etc/vsftpd.conf). The issue allows remote attackers to potentially exploit the misconfigured permissions, although the attack complexity is high and exploitability is difficult. No specific details on the function impacted or the exact nature of the permission misconfiguration are provided. The CVSS 4.0 base score is 2.3, indicating low severity.
Potential Impact
The impact is limited due to the low CVSS score (2.3) and the high complexity required to exploit the vulnerability remotely. There is no indication of privilege escalation, data disclosure, or denial of service beyond the incorrect default permissions. No known exploits are reported in the wild.
Mitigation Recommendations
No official patch or remediation guidance is currently available. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Due to the high complexity and low exploitability, immediate urgent action is not indicated.
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: 08/22/2026, 13:03:26 UTC
Last updated: 09/08/2026, 22:52:10 UTC
Views: 53
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