CVE-2026-4197
CRITICAL WAF: High
CVSS 9.8
Published: 2026-03-16
CWE-77 CWE-77
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.
WAF Coverage Analysis
Command Injection
High WAF Coverage
OWASP: A03:2021 Injection
932xxx - Remote Code Execution
Command Injection
High WAF Coverage
OWASP: A03:2021 Injection
932xxx - Remote Code Execution
Affected Software
| Vendor | Product | Version |
|---|---|---|
| dlink | dnr-202l_firmware | up to 2026-02-05 |
| dlink | dnr-326_firmware | up to 2026-02-05 |
| dlink | dns-1100-4_firmware | up to 2026-02-05 |
| dlink | dns-120_firmware | up to 2026-02-05 |
| dlink | dns-1200-05_firmware | up to 2026-02-05 |
| dlink | dns-1550-04_firmware | up to 2026-02-05 |
| dlink | dns-315l_firmware | up to 2026-02-05 |
| dlink | dns-320_firmware | up to 2026-02-05 |
| dlink | dns-320l_firmware | up to 2026-02-05 |
| dlink | dns-320lw_firmware | up to 2026-02-05 |
References
- github.com (Exploit, Third Party Advisory)
- github.com (Exploit, Third Party Advisory)
- vuldb.com (Permissions Required, VDB Entry)
- vuldb.com (Third Party Advisory, VDB Entry)
- vuldb.com (Third Party Advisory, VDB Entry)
- vuldb.com (Third Party Advisory, VDB Entry)
- vuldb.com (Third Party Advisory, VDB Entry)
- vuldb.com (Third Party Advisory, VDB Entry)
- vuldb.com (Third Party Advisory, VDB Entry)
- vuldb.com (Third Party Advisory, VDB Entry)