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I. Basic Information for CVE-2022-25217
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Use of a hard-coded cryptographic key pair by the telnetd_startup service allows an attacker on the local area network to obtain a root shell on the device over telnet. The builds of telnetd_startup included in the version 22.5.9.163 of the K2 firmware, and version 32.1.15.93 of the K3C firmware (possibly amongst many other releases) included both the private and public RSA keys. The remaining versions cited here redacted the private key, but left the public key unchanged. An attacker in possession of the leaked private key may, through a scripted exchange of UDP packets, instruct telnetd_startup to spawn an unauthenticated telnet shell as root, by means of which they can then obtain complete control of the device. A consequence of the limited availablility of firmware images for testing is that models and versions not listed here may share this vulnerability.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Phicomm 多款产品信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Phicomm PHICOMM K2等都是中国斐讯(Phicomm)公司的产品。PHICOMM K2是一款无线路由器。PHICOMM K3等都是中国斐讯(PHICOMM)公司的产品。PHICOMM K3是一个双频千兆无线 WiFi 路由器。PHICOMM K3C是一个双频千兆无线 WiFi 路由器。PHICOMM K2 A7是一个双频千兆无线 WiFi 路由器。PHICOMM K2G A1是一个双频千兆无线 WiFi 路由器。 Phicomm 多款产品存在安全漏洞,本地网络的远程攻击者可利用该漏洞获取设备
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
-Phicomm Routers K2 22.5.9.163, K3 21.5.37.246, K3C 32.1.15.93 -- 32.1.26.175, K3C 33.1.25.177, K2P 20.4.1.7, K2 A7 22.6.506.28 -
II. Public POCs for CVE-2022-25217
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III. Intelligence Information for CVE-2022-25217
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