CVE-2026-4197
D-Link
- Published
- 16 March 2026
- Last modified
- 17 June 2026
- CVSS
- 2.1 v4.0
- Severity
- low
- EPSS
- 18.4% (97th pct)
- CISA KEV
- Not listed
- NVD status
- Analyzed
- Weaknesses
- CWE-74, CWE-77
CVSS:4.0/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
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.
Exploitation
Not listed in the CISA Known Exploited Vulnerabilities catalogue as of 2026.09.04. That is an absence of confirmed public exploitation, not evidence that exploitation has not occurred. EPSS models a 18.4% probability of exploitation activity in the next 30 days, placing it in the top decile of all scored CVEs.
Affected products
| Product | Vendor | Type | Versions named |
|---|---|---|---|
| DNR-202L | D-Link | unknown | <= 2026-02-05 |
| DNR-326 | D-Link | unknown | <= 1.40b03, <= 2026-02-05 |
References
- https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_102/102.md exploit
- https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_103/103.md exploit
- https://vuldb.com/?ctiid.351109
- https://vuldb.com/?id.351109 third-party
- https://vuldb.com/?submit.769864 third-party
- https://vuldb.com/?submit.769865 third-party
- https://vuldb.com/?submit.769866 third-party
- https://vuldb.com/?submit.769867 third-party
- https://vuldb.com/?submit.769868 third-party
- https://vuldb.com/?submit.769869 third-party
- https://vuldb.com/?submit.769870 third-party
- https://vuldb.com/?submit.770363 third-party
- https://vuldb.com/?submit.770364 third-party
- https://www.dlink.com/
Record assembled from NVD, CISA KEV 2026.09.04 and FIRST EPSS 2026-09-04. Affected products are those NVD's CPE configuration names that fall inside this site's scope; a CVE may affect products outside it.