{"id":"CVE-2016-6564","aliases":["EUVD-2016-7485","GHSA-cp5q-fwmj-pjgc"],"status":"published","title":"Ragentek Android software contains an over-the-air update mechanism that communicates over an unencrypted channel, which can allow a remote attacker to execute arbitrary code with root privileges","description":"Android devices with code from Ragentek contain a privileged binary that performs over-the-air (OTA) update checks. Additionally, there are multiple techniques used to hide the execution of this binary. This behavior could be described as a rootkit. This binary, which resides as /system/bin/debugs, runs with root privileges and does not communicate over an encrypted channel. The binary has been shown to communicate with three hosts via HTTP: oyag[.]lhzbdvm[.]com oyag[.]prugskh[.]net oyag[.]prugskh[.]com Server responses to requests sent by the debugs binary include functionalities to execute arbitrary commands as root, install applications, or update configurations. Examples of a request sent by the client binary: POST /pagt/agent?data={\"name\":\"c_regist\",\"details\":{...}} HTTP/1. 1 Host: 114.80.68.223 Connection: Close An example response from the server could be: HTTP/1.1 200 OK {\"code\": \"01\", \"name\": \"push_commands\", \"details\": {\"server_id\": \"1\" , \"title\": \"Test Command\", \"comments\": \"Test\", \"commands\": \"touch /tmp/test\"}} This binary is reported to be present in the following devices: BLU Studio G BLU Studio G Plus BLU Studio 6.0 HD BLU Studio X BLU Studio X Plus BLU Studio C HD Infinix Hot X507 Infinix Hot 2 X510 Infinix Zero X506 Infinix Zero 2 X509 DOOGEE Voyager 2 DG310 LEAGOO Lead 5 LEAGOO Lead 6 LEAGOO Lead 3i LEAGOO Lead 2S LEAGOO Alfa 6 IKU Colorful K45i Beeline Pro 2 XOLO Cube 5.0","severity":{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02625,"percentile":0.85588,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-264","CWE-494"],"published":"2018-07-13T20:00:00Z","modified":"2026-06-17T00:51:23Z","products":[{"vendor":"beeline","product":"pro_2_firmware"},{"vendor":"bluproducts","product":"studio_6.0_hd_firmware"},{"vendor":"bluproducts","product":"studio_c_hd_firmware"},{"vendor":"bluproducts","product":"studio_g_firmware"},{"vendor":"bluproducts","product":"studio_g_plus_firmware"},{"vendor":"bluproducts","product":"studio_x_firmware"},{"vendor":"bluproducts","product":"studio_x_plus_firmware"},{"vendor":"doogee","product":"voyager_2_dg310i_firmware"},{"vendor":"iku-mobile","product":"colorful_k45i_firmware"},{"vendor":"infinixauthority","product":"hot_2_x510_firmware"},{"vendor":"infinixauthority","product":"hot_x507_firmware"},{"vendor":"infinixauthority","product":"zero_2_x509_firmware"},{"vendor":"infinixauthority","product":"zero_x506_firmware"},{"vendor":"leagoo","product":"alfa_6_firmware"},{"vendor":"leagoo","product":"lead_2s_firmware"},{"vendor":"leagoo","product":"lead_3i_firmware"},{"vendor":"leagoo","product":"lead_5_firmware"},{"vendor":"leagoo","product":"lead_6_firmware"},{"vendor":"ragentek","product":"android software"},{"vendor":"xolo","product":"cube_5.0_firmware"}],"references":[{"url":"https://www.kb.cert.org/vuls/id/624539","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://www.bitsighttech.com/blog/ragentek-android-ota-update-mechanism-vulnerable-to-mitm-attack","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.securityfocus.com/bid/94393/","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-6564"},{"url":"https://github.com/advisories/GHSA-cp5q-fwmj-pjgc"}],"sources":{"cve":[{"id":"CVE-2016-6564","title":"Ragentek Android software contains an over-the-air update mechanism that communicates over an unencrypted channel, which can allow a remote attacker to execute arbitrary code with root privileges","description":"Android devices with code from Ragentek contain a privileged binary that performs over-the-air (OTA) update checks. Additionally, there are multiple techniques used to hide the execution of this binary. This behavior could be described as a rootkit. This binary, which resides as /system/bin/debugs, runs with root privileges and does not communicate over an encrypted channel. The binary has been shown to communicate with three hosts via HTTP: oyag[.]lhzbdvm[.]com oyag[.]prugskh[.]net oyag[.]prugskh[.]com Server responses to requests sent by the debugs binary include functionalities to execute arbitrary commands as root, install applications, or update configurations. Examples of a request sent by the client binary: POST /pagt/agent?data={\"name\":\"c_regist\",\"details\":{...}} HTTP/1. 1 Host: 114.80.68.223 Connection: Close An example response from the server could be: HTTP/1.1 200 OK {\"code\": \"01\", \"name\": \"push_commands\", \"details\": {\"server_id\": \"1\" , \"title\": \"Test Command\", \"comments\": \"Test\", \"commands\": \"touch /tmp/test\"}} This binary is reported to be present in the following devices: BLU Studio G BLU Studio G Plus BLU Studio 6.0 HD BLU Studio X BLU Studio X Plus BLU Studio C HD Infinix Hot X507 Infinix Hot 2 X510 Infinix Zero X506 Infinix Zero 2 X509 DOOGEE Voyager 2 DG310 LEAGOO Lead 5 LEAGOO Lead 6 LEAGOO Lead 3i LEAGOO Lead 2S LEAGOO Alfa 6 IKU Colorful K45i Beeline Pro 2 XOLO Cube 5.0","status":"published","published":"2018-07-13T20:00:00Z","modified":"2024-08-06T01:36:28.064Z","cwes":["CWE-494"],"updated_at":"2026-11-02T14:33:34.094161Z"}],"euvd":[{"id":"EUVD-2016-7485","description":"Android devices with code from Ragentek contain a privileged binary that performs over-the-air (OTA) update checks. Additionally, there are multiple techniques used to hide the execution of this binary. This behavior could be described as a rootkit. This binary, which resides as /system/bin/debugs, runs with root privileges and does not communicate over an encrypted channel. The binary has been shown to communicate with three hosts via HTTP: oyag[.]lhzbdvm[.]com oyag[.]prugskh[.]net oyag[.]prugskh[.]com Server responses to requests sent by the debugs binary include functionalities to execute arbitrary commands as root, install applications, or update configurations. Examples of a request sent by the client binary: POST /pagt/agent?data={\"name\":\"c_regist\",\"details\":{...}} HTTP/1. 1 Host: 114.80.68.223 Connection: Close An example response from the server could be: HTTP/1.1 200 OK {\"code\": \"01\", \"name\": \"push_commands\", \"details\": {\"server_id\": \"1\" , \"title\": \"Test Command\", \"comments\": \"Test\", \"commands\": \"touch /tmp/test\"}} This binary is reported to be present in the following devices: BLU Studio G BLU Studio G Plus BLU Studio 6.0 HD BLU Studio X BLU Studio X Plus BLU Studio C HD Infinix Hot X507 Infinix Hot 2 X510 Infinix Zero X506 Infinix Zero 2 X509 DOOGEE Voyager 2 DG310 LEAGOO Lead 5 LEAGOO Lead 6 LEAGOO Lead 3i LEAGOO Lead 2S LEAGOO Alfa 6 IKU Colorful K45i Beeline Pro 2 XOLO Cube 5.0","status":"published","published":"2018-07-13T20:00:00Z","modified":"2024-08-06T01:36:28Z","updated_at":"2026-11-03T02:22:36.370031Z"}],"ghsa":[{"id":"GHSA-cp5q-fwmj-pjgc","title":"Android devices with code from Ragentek contain a privileged binary that performs over-the-air ...","description":"Android devices with code from Ragentek contain a privileged binary that performs over-the-air (OTA) update checks. Additionally, there are multiple techniques used to hide the execution of this binary. This behavior could be described as a rootkit. This binary, which resides as /system/bin/debugs, runs with root privileges and does not communicate over an encrypted channel. The binary has been shown to communicate with three hosts via HTTP: oyag[.]lhzbdvm[.]com oyag[.]prugskh[.]net oyag[.]prugskh[.]com Server responses to requests sent by the debugs binary include functionalities to execute arbitrary commands as root, install applications, or update configurations. Examples of a request sent by the client binary: POST /pagt/agent?data={\"name\":\"c_regist\",\"details\":{...}} HTTP/1. 1 Host: 114.80.68.223 Connection: Close An example response from the server could be: HTTP/1.1 200 OK {\"code\": \"01\", \"name\": \"push_commands\", \"details\": {\"server_id\": \"1\" , \"title\": \"Test Command\", \"comments\": \"Test\", \"commands\": \"touch /tmp/test\"}} This binary is reported to be present in the following devices: BLU Studio G BLU Studio G Plus BLU Studio 6.0 HD BLU Studio X BLU Studio X Plus BLU Studio C HD Infinix Hot X507 Infinix Hot 2 X510 Infinix Zero X506 Infinix Zero 2 X509 DOOGEE Voyager 2 DG310 LEAGOO Lead 5 LEAGOO Lead 6 LEAGOO Lead 3i LEAGOO Lead 2S LEAGOO Alfa 6 IKU Colorful K45i Beeline Pro 2 XOLO Cube 5.0","status":"published","published":"2022-05-13T01:38:44Z","modified":"2023-02-02T05:00:23Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:50:56.67974Z"}],"nvd":[{"id":"CVE-2016-6564","description":"Android devices with code from Ragentek contain a privileged binary that performs over-the-air (OTA) update checks. Additionally, there are multiple techniques used to hide the execution of this binary. This behavior could be described as a rootkit. This binary, which resides as /system/bin/debugs, runs with root privileges and does not communicate over an encrypted channel. The binary has been shown to communicate with three hosts via HTTP: oyag[.]lhzbdvm[.]com oyag[.]prugskh[.]net oyag[.]prugskh[.]com Server responses to requests sent by the debugs binary include functionalities to execute arbitrary commands as root, install applications, or update configurations. Examples of a request sent by the client binary: POST /pagt/agent?data={\"name\":\"c_regist\",\"details\":{...}} HTTP/1. 1 Host: 114.80.68.223 Connection: Close An example response from the server could be: HTTP/1.1 200 OK {\"code\": \"01\", \"name\": \"push_commands\", \"details\": {\"server_id\": \"1\" , \"title\": \"Test Command\", \"comments\": \"Test\", \"commands\": \"touch /tmp/test\"}} This binary is reported to be present in the following devices: BLU Studio G BLU Studio G Plus BLU Studio 6.0 HD BLU Studio X BLU Studio X Plus BLU Studio C HD Infinix Hot X507 Infinix Hot 2 X510 Infinix Zero X506 Infinix Zero 2 X509 DOOGEE Voyager 2 DG310 LEAGOO Lead 5 LEAGOO Lead 6 LEAGOO Lead 3i LEAGOO Lead 2S LEAGOO Alfa 6 IKU Colorful K45i Beeline Pro 2 XOLO Cube 5.0","status":"published","published":"2018-07-13T20:29:01.05Z","modified":"2026-06-17T00:51:23.557Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-494","CWE-264"],"updated_at":"2026-11-02T14:03:39.621168Z"}]}}