CVE-2026-4197
D-Link DNS-1550-04 download_mgr.cgi RSS_Item_List command injection
Description
A vulnerability was found 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 RSS_Get_Update_Status/RSS_Update/RSS_Channel_AutoDownlaod/RSS_Add/RSS_Channel_Item_Downlaod/RSS_History_Item_List/RSS_Item_List of the file /cgi-bin/download_mgr.cgi. The manipulation results in command injection. The attack may be performed from remote. The exploit has been made public and could be used.
INFO
Published Date :
March 16, 2026, 2:20 p.m.
Last Modified :
March 19, 2026, 2:22 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-4197
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update firmware on affected D-Link devices.
- Restrict access to the affected CGI script.
- Apply vendor patches when available.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-4197.
| URL | Resource |
|---|---|
| https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_102/102.md | Exploit Third Party Advisory |
| https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_103/103.md | Exploit Third Party Advisory |
| https://vuldb.com/?ctiid.351109 | Permissions Required VDB Entry |
| https://vuldb.com/?id.351109 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.769864 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.769865 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.769866 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.769867 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.769868 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.769869 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.769870 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.770363 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.770364 | Third Party Advisory VDB Entry |
| https://www.dlink.com/ | Product |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-4197 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-4197
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-4197 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-4197 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Mar. 19, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-77 Added CPE Configuration AND OR *cpe:2.3:o:dlink:dnr-202l_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05 OR cpe:2.3:h:dlink:dnr-202l:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dlink:dnr-326_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05 OR cpe:2.3:h:dlink:dnr-326:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dlink:dns-1100-4_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05 OR cpe:2.3:h:dlink:dns-1100-4:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dlink:dns-120_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05 OR cpe:2.3:h:dlink:dns-120:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dlink:dns-1200-05_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05 OR cpe:2.3:h:dlink:dns-1200-05:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dlink:dns-1550-04_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05 OR cpe:2.3:h:dlink:dns-1550-04:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dlink:dns-315l_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05 OR cpe:2.3:h:dlink:dns-315l:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dlink:dns-320_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05 OR cpe:2.3:h:dlink:dns-320:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dlink:dns-320l_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05 OR cpe:2.3:h:dlink:dns-320l:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dlink:dns-320lw_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05 OR cpe:2.3:h:dlink:dns-320lw:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dlink:dns-321_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05 OR cpe:2.3:h:dlink:dns-321:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dlink:dns-322l_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05 OR cpe:2.3:h:dlink:dns-322l:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dlink:dns-323_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05 OR cpe:2.3:h:dlink:dns-323:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dlink:dns-325_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05 OR cpe:2.3:h:dlink:dns-325:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dlink:dns-326_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05 OR cpe:2.3:h:dlink:dns-326:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dlink:dns-327l_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05 OR cpe:2.3:h:dlink:dns-327l:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dlink:dns-340l_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05 OR cpe:2.3:h:dlink:dns-340l:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dlink:dns-343_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05 OR cpe:2.3:h:dlink:dns-343:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dlink:dns-345_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05 OR cpe:2.3:h:dlink:dns-345:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dlink:dns-726-4_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05 OR cpe:2.3:h:dlink:dns-726-4:-:*:*:*:*:*:*:* Added Reference Type VulDB: https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_102/102.md Types: Exploit, Third Party Advisory Added Reference Type VulDB: https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_103/103.md Types: Exploit, Third Party Advisory Added Reference Type VulDB: https://vuldb.com/?ctiid.351109 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.351109 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.769864 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.769865 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.769866 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.769867 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.769868 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.769869 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.769870 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.770363 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.770364 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://www.dlink.com/ Types: Product -
New CVE Received by [email protected]
Mar. 16, 2026
Action Type Old Value New Value Added Description A vulnerability was found 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 RSS_Get_Update_Status/RSS_Update/RSS_Channel_AutoDownlaod/RSS_Add/RSS_Channel_Item_Downlaod/RSS_History_Item_List/RSS_Item_List of the file /cgi-bin/download_mgr.cgi. The manipulation results in command injection. The attack may be performed from remote. The exploit has been made public and could be used. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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 Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Added CVSS V2 (AV:N/AC:L/Au:S/C:P/I:P/A:P) Added CWE CWE-77 Added CWE CWE-74 Added Reference https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_102/102.md Added Reference https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_103/103.md Added Reference https://vuldb.com/?ctiid.351109 Added Reference https://vuldb.com/?id.351109 Added Reference https://vuldb.com/?submit.769864 Added Reference https://vuldb.com/?submit.769865 Added Reference https://vuldb.com/?submit.769866 Added Reference https://vuldb.com/?submit.769867 Added Reference https://vuldb.com/?submit.769868 Added Reference https://vuldb.com/?submit.769869 Added Reference https://vuldb.com/?submit.769870 Added Reference https://vuldb.com/?submit.770363 Added Reference https://vuldb.com/?submit.770364 Added Reference https://www.dlink.com/