Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-19893— D-Link DIR-842 vsftpd vsftpd.conf default permission

Quick assessment

Affected
D-Link DIR-842
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

D-Link DIR-842是中国D-Link公司的一款无线路由器。 D-Link DIR-842 2.01.B04版本存在权限许可和访问控制问题漏洞，该漏洞源于vsftpd组件中文件/etc/vsftpd.conf的未知函数操作导致默认权限不正确，可能允许远程攻击者利用该漏洞。

CVSS 3.1 · Low EPSS 0.47% · P39

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
D-Link DIR-842 2.01.B04 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-19893

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
D-Link DIR-842 vsftpd vsftpd.conf default permission
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
缺省权限不正确
Source: CVE Program / CVE List V5
Vulnerability Title
D-Link DIR-842 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DIR-842是中国D-Link公司的一款无线路由器。 D-Link DIR-842 2.01.B04版本存在权限许可和访问控制问题漏洞，该漏洞源于vsftpd组件中文件/etc/vsftpd.conf的未知函数操作导致默认权限不正确，可能允许远程攻击者利用该漏洞。
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

Vendor Product Affected Versions CPE Subscribe
D-Link DIR-842 2.01.B04 cpe:2.3:h:d-link:dir-842:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-19893

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-19893

请登录查看更多情报信息。

News Coverage for CVE-2026-19893 (1)

Vendor Pages for CVE-2026-19893 (1)

Other References for CVE-2026-19893 (3)

IV. Related Vulnerabilities

Same product: DIR-842
Same vendor: D-Link
Same weakness: CWE-276

V. Comments for CVE-2026-19893

No comments yet

Leave a comment