Actively exploited in the wild
NETGEAR DGN2200 Devices OS Command Injection Vulnerability
NETGEAR - DGN2200 Devices · Listed in the CISA KEV since 2022-03-25. This indicates confirmed attacks in production environments.
Required action: The impacted product is end-of-life and should be disconnected if still in use.
CVE-2017-6334
HighCVSS 8.8KEVSummary
Podatność w dnslookup.cgi na urządzeniach NETGEAR DGN2200 z firmware do wersji 10.0.0.50 pozwala zdalnym, uwierzytelnionym użytkownikom na wykonywanie dowolnych poleceń systemowych poprzez użycie metaznaków powłoki w polu host_name w żądaniu HTTP POST.
Risk Assessment
Ta podatność może prowadzić do nieautoryzowanego dostępu do systemu operacyjnego urządzenia, co stwarza poważne zagrożenie dla bezpieczeństwa sieci organizacji.
Recommendation
Zaleca się aktualizację firmware'u urządzenia do najnowszej wersji, aby usunąć tę podatność oraz ograniczenie dostępu do interfejsu administracyjnego tylko dla zaufanych użytkowników.
Related vulnerabilities
- CVE-2026-87886HighActively exploited
The vulnerability is a local privilege escalation due to insecure file permissions. It affects Acronis Backup plugin for cPanel & WHM (Linux) before build 1.9.3.1021, Acronis Backup extension for Plesk (Linux) before build 1.8.11.638, and Acronis Backup plugin for DirectAdmin (Linux) before build 1.2.3.238.
- CVE-2026-87701Critical
Improper neutralization of special elements in output used by a downstream component ('injection') in Azure Cosmos DB allows an authorized attacker to elevate privileges over a network.
- CVE-2026-85889Critical
Missing authentication for a critical function in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-85885Critical
Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an authorized attacker to elevate privileges over a network.
- CVE-2026-83944Critical
Improper access control in Azure Logic Apps allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-77903Critical
Authentication bypass by spoofing in Microsoft Dataverse allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-70200Critical
Improper limitation of a pathname to a restricted directory ('path traversal') in Azure Logic Apps allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-70009Critical
Improper limitation of a pathname to a restricted directory ('path traversal') in Azure Arc allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-69865Critical
Authorization bypass through a user-controlled key in Microsoft Container Registry allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-69399Critical
Elevation of Privilege vulnerability in Azure Arc. Technical details were not provided in the description.
Original NVD description (English source)
dnslookup.cgi on NETGEAR DGN2200 devices with firmware through 10.0.0.50 allows remote authenticated users to execute arbitrary OS commands via shell metacharacters in the host_name field of an HTTP POST request, a different vulnerability than CVE-2017-6077.