Netcore / Netis Routers RCE via UDP Port 53413 Backdoor
90Vexday Risk Score
Corrige ahora. Ella explotación observada por VulnCheck y tiene exploit funcional público.
ssvc Actcvss 9.3epss 20%
de la publicación al arma0 días
Publicada en NVD16 jul
metasploit25 ago
VulnCheck+238d
probabilidad de explotación
20%top 3% de las CVE
explotación observada
síVulnCheck
3 exploit(s) público(s)
A remote code execution vulnerability exists in multiple Netcore and Netis routers models with firmware released prior to August 2014 due to the presence of an undocumented backdoor listener on UDP port 53413. Exact version boundaries remain undocumented. An unauthenticated remote attacker can send specially crafted UDP packets to execute arbitrary commands on the affected device. This backdoor uses a hardcoded authentication mechanism and accepts shell commands post-authentication. Some device models include a non-standard implementation of the `echo` command, which may affect exploitability.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
PoCs públicas encontradas — 3
cve_referenceraw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/linux/misc/netcore_udp_53413_backdoor.rbno verificadocve_referencevulners.com/metasploit/MSF:EXPLOIT-LINUX-MISC-NETCORE_UDP_53413_BACKDOOR-no verificadocve_referencewww.exploit-db.com/exploits/43387no verificado⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.
Referencias
https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/linux/misc/netcore_udp_53413_backdoor.rbhttps://vulners.com/metasploit/MSF:EXPLOIT-LINUX-MISC-NETCORE_UDP_53413_BACKDOOR-https://web.archive.org/web/20140828114943/http://blog.trendmicro.com/trendlabs-security-intelligence/netis-routers-leave-wide-open-backdoor/https://www.exploit-db.com/exploits/43387https://www.seebug.org/vuldb/ssvid-90227https://www.shadowserver.org/what-we-do/network-reporting/netcore-netis-router-vulnerability-scan-report/https://www.vulncheck.com/advisories/netcore-netis-routers-backdoor-rce