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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-5311— D-Link DNS-1550-04 file_center.cgi Webdav_Access_List access control

Quick assessment

Affected
D-Link DNS-120
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 DNS-120等都是中国友讯（D-Link）公司的产品。D-Link DNS-120是一个网络存储适配器。D-Link DNR-202L是一个网络视频摄像机。D-Link DNS-315L是一个网络附加存储器。 D-Link多款产品存在访问控制错误漏洞，该漏洞源于对文件/cgi-bin/file_center.cgi中参数cmd的操作导致访问控制不当。以下产品及版本受到影响：DNS-120 20260205及之前版本、DNR-202L 20260205及之前版本、DNS-315L 20260

CVSS 5.3 · Medium EPSS 1.32% · P70
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-5311

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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 DNS-1550-04 file_center.cgi Webdav_Access_List access control
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to 20260205. Affected is the function Webdav_Access_List of the file /cgi-bin/file_center.cgi. Performing a manipulation of the argument cmd results in improper access controls. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
D-Link多款产品 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DNS-120等都是中国友讯（D-Link）公司的产品。D-Link DNS-120是一个网络存储适配器。D-Link DNR-202L是一个网络视频摄像机。D-Link DNS-315L是一个网络附加存储器。 D-Link多款产品存在访问控制错误漏洞，该漏洞源于对文件/cgi-bin/file_center.cgi中参数cmd的操作导致访问控制不当。以下产品及版本受到影响：DNS-120 20260205及之前版本、DNR-202L 20260205及之前版本、DNS-315L 20260
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 DNS-120 20260205 -
D-Link DNR-202L 20260205 -
D-Link DNS-315L 20260205 -
D-Link DNS-320 20260205 -
D-Link DNS-320L 20260205 -
D-Link DNS-320LW 20260205 -
D-Link DNS-321 20260205 -
D-Link DNR-322L 20260205 -
D-Link DNS-323 20260205 -
D-Link DNS-325 20260205 -
D-Link DNS-326 20260205 -
D-Link DNS-327L 20260205 -
D-Link DNR-326 20260205 -
D-Link DNS-340L 20260205 -
D-Link DNS-343 20260205 -
D-Link DNS-345 20260205 -
D-Link DNS-726-4 20260205 -
D-Link DNS-1100-4 20260205 -
D-Link DNS-1200-05 20260205 -
D-Link DNS-1550-04 20260205 -

II. Public POCs for CVE-2026-5311

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-5311

请登录查看更多情报信息。

Proof of Concept for CVE-2026-5311 (1)

Vendor Pages for CVE-2026-5311 (1)

IV. Related Vulnerabilities

Same product: DNS-120
Same vendor: D-Link
Same weakness: CWE-284

V. Comments for CVE-2026-5311

No comments yet

Leave a comment