CVE-2026-4197
6.3 · MEDIUMOverview
CVE-2026-4197 is a medium-severity vulnerability affecting dlink dnr-202l_firmware. It was published on March 16, 2026 and has a CVSS 3.1 base score of 6.3 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from dlink. Update dnr-202l_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| dlink | dnr-202l_firmware | 0 | Affected |
| dlink | dnr-326_firmware | 0 | Affected |
| dlink | dns-1100-4_firmware | 0 | Affected |
| dlink | dns-120_firmware | 0 | Affected |
| dlink | dns-1200-05_firmware | 0 | Affected |
| dlink | dns-1550-04_firmware | 0 | Affected |
| dlink | dns-315l_firmware | 0 | Affected |
| dlink | dns-320_firmware | 0 | Affected |
| dlink | dns-320l_firmware | 0 | Affected |
| dlink | dns-320lw_firmware | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2026-4197?
CVE-2026-4197 is a medium-severity vulnerability affecting dlink dnr-202l_firmware. It was published on March 16, 2026 and has a CVSS 3.1 base score of 6.3 (MEDIUM).
How severe is CVE-2026-4197?
This vulnerability has a CVSS 3.1 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-4197?
Check the references section for vendor advisories and patches from dlink. Update dnr-202l_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-4197?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-4197 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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