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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."}, {"lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad en 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 y DNS-1550-04 hasta 20260205. Afectada est\u00e1 la funci\u00f3n RSS_Get_Update_Status/RSS_Update/RSS_Channel_AutoDownlaod/RSS_Add/RSS_Channel_Item_Downlaod/RSS_History_Item_List/RSS_Item_List del archivo /cgi-bin/download_mgr.cgi. La manipulaci\u00f3n resulta en inyecci\u00f3n de comandos. El ataque puede ser realizado desde remoto. El exploit ha sido hecho p\u00fablico y podr\u00eda ser usado."}], "id": "CVE-2026-4197", "lastModified": "2026-04-29T01:00:01.613", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": 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"vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-74"}, {"lang": "en", "value": "CWE-77"}], "source": "cna@vuldb.com", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-77"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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"value": "20260205"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "DNS-320", "source": "cna", "vendor": "D-Link"}, "product": "dns-320", "vendor": "d-link"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "20260205"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "DNS-320L", "source": "cna", "vendor": "D-Link"}, "product": "dns-320l", "vendor": "d-link"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "20260205"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "DNS-320LW", "source": "cna", "vendor": "D-Link"}, "product": "dns-320lw", "vendor": "d-link"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "20260205"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "DNS-321", "source": "cna", "vendor": "D-Link"}, "product": "dns-321", "vendor": "d-link"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "20260205"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "DNS-323", "source": "cna", "vendor": "D-Link"}, "product": "dns-323", "vendor": "d-link"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "20260205"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "DNS-325", "source": "cna", "vendor": "D-Link"}, "product": "dns-325", "vendor": "d-link"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "20260205"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "DNS-326", "source": "cna", "vendor": "D-Link"}, "product": "dns-326", "vendor": "d-link"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "20260205"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "DNS-327L", "source": "cna", "vendor": "D-Link"}, "product": "dns-327l", "vendor": "d-link"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "20260205"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "DNS-340L", "source": "cna", "vendor": "D-Link"}, "product": "dns-340l", "vendor": "d-link"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "20260205"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "DNS-343", "source": "cna", "vendor": "D-Link"}, "product": "dns-343", "vendor": "d-link"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "20260205"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "DNS-345", "source": "cna", "vendor": "D-Link"}, "product": "dns-345", "vendor": "d-link"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "20260205"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "DNS-726-4", "source": "cna", "vendor": "D-Link"}, "product": "dns-726-4", "vendor": "d-link"}], "analysis": {"en": {"generated_at": "2026-03-19T16:04:06.359950+00:00", "value": {"mitigation_remediation": ["Apply the latest firmware update that removes the command injection vulnerability in download_mgr.cgi.", "If a firmware patch is not yet available, block external HTTP(S) access to /cgi-bin/download_mgr.cgi or otherwise restrict network reachability to the affected device.", "Monitor device logs for unexpected command execution or anomalous requests to the RSS_Item_List endpoint.", "If neither patch nor network restriction is feasible, consider isolating the device from critical networks until remediation is applied."], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "Affected products include all D-Link devices listed in the CNA data: D-Link:DNR-202L, D-Link:DNR-322L, D-Link:DNR-326, D-Link:DNS-1100-4, D-Link:DNS-120, D-Link:DNS-1200-05, D-Link:DNS-1550-04, D-Link:DNS-315L, D-Link:DNS-320, D-Link:DNS-320L, D-Link:DNS-320LW, D-Link:DNS-321, D-Link:DNS-323, D-Link:DNS-325, D-Link:DNS-326, D-Link:DNS-327L, D-Link:DNS-340L, D-Link:DNS-343, D-Link:DNS-345, D-Link:DNS-726-4. Firmware versions up to 20260205 contain the flaw; all later releases are assumed to be patched.", "description_and_impact": "A vulnerability was discovered in the download manager of multiple D-Link DNS and DNR devices, specifically in the RSS_Item_List function of /cgi-bin/download_mgr.cgi. The flaw permits an attacker to inject arbitrary operating\u2011system commands via crafted input, which can be executed remotely. This leads to a loss of confidentiality, integrity, and availability of the affected device and the network it serves, corresponding to the CWE\u201177 \"Command Injection\" weakness (also CWE\u201174 \"Error Reporting Vulnerability\" is listed as an associated weakness).", "risk_and_exploitability": "The CVSS v3.1 score of 5.3 indicates moderate severity. The EPSS probability is less than 1\u202f%, suggesting a low likelihood of widespread exploitation at this time, and the issue is not listed in the CISA KEV catalog. Exploitation requires remote access to the device\u2019s download_mgr.cgi endpoint; depending on device configuration, the attack may be possible over an unauthenticated HTTP request or an authenticated session. No specific exploitation conditions beyond reaching the endpoint are noted in the description."}}}}, "created": "2026-03-17T09:55:38.284179+00:00", "updated": "2026-03-23T14:01:06.803884+00:00", "vendors": ["d-link", "d-link$PRODUCT$dnr-202l", "d-link$PRODUCT$dnr-322l", "d-link$PRODUCT$dnr-326", "d-link$PRODUCT$dns-1100-4", "d-link$PRODUCT$dns-120", "d-link$PRODUCT$dns-1200-05", "d-link$PRODUCT$dns-1550-04", "d-link$PRODUCT$dns-315l", "d-link$PRODUCT$dns-320", "d-link$PRODUCT$dns-320l", "d-link$PRODUCT$dns-320lw", "d-link$PRODUCT$dns-321", "d-link$PRODUCT$dns-323", "d-link$PRODUCT$dns-325", "d-link$PRODUCT$dns-326", "d-link$PRODUCT$dns-327l", "d-link$PRODUCT$dns-340l", "d-link$PRODUCT$dns-343", "d-link$PRODUCT$dns-345", "d-link$PRODUCT$dns-726-4"]}