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13 vulnerabilities found for gs1900-8 by zyxel
VAR-201709-0051
Vulnerability from variot - Updated: 2025-04-20 23:21OpenStage 60 and OpenScape Desk Phone IP 55G SIP V3, OpenStage 15, 20E, 20 and 40 and OpenScape Desk Phone IP 35G SIP V3, OpenScape Desk Phone IP 35G Eco SIP V3, OpenStage 60 and OpenScape Desk Phone IP 55G HFA V3, OpenStage 15, 20E, 20, and 40 and OpenScape Desk Phone IP 35G HFA V3, and OpenScape Desk Phone IP 35G Eco HFA V3 use non-unique X.509 certificates and SSH host keys. Many embedded devices are not unique X.509 Certificate and SSH Spoofing and intermediary because host key is used (man-in-the-middle) There is a possibility of being attacked and attacks such as decryption of communication contents. The encryption key is hard-coded (CWE-321) SEC Consult of Stefan Viehböck According to the survey, many embedded devices are not unique X.509 Certificate and SSH It is said that it is accessible from the Internet using a host key. A hard-coded key in a firmware image or a repository stored by scanning the Internet scans.io ( In particular SSH And the result of SSL Certificate ) A device that uses a certificate whose fingerprint matches the data of can be determined to be vulnerable. Affected devices include household routers and IP From the camera VoIP Wide range of products. CWE-321: Use of Hard-coded Cryptographic Key http://cwe.mitre.org/data/definitions/321.html scans.io https://scans.io/ SSH Result of https://scans.io/series/ssh-rsa-full-ipv4 SSL Certificate https://scans.io/study/sonar.ssl In many vulnerable devices, certificate and key reuse is limited to a limited product line by a specific developer, but there are several examples where multiple developers use the same certificate or key. Or exist. These are common SDK Firmware developed using, or ISP Provided by OEM The root cause is the use of device firmware. Vulnerable equipment is impersonation and intermediary (man-in-the-middle) There is a possibility of being attacked or deciphering the communication contents. Perhaps the attacker can obtain authentication information and other sensitive information and use it for further attacks. Survey results and certificates SSH For more information on systems affected by host key issues, see SEC Consult See the blog post. Certificate https://www.sec-consult.com/download/certificates.html SSH Host key https://www.sec-consult.com/download/ssh_host_keys.html SEC Consult http://blog.sec-consult.com/2015/11/house-of-keys-industry-wide-https.htmlA remote attacker impersonates a user or intermediary (man-in-the-middle) There is a possibility of being attacked or deciphering the communication contents. As a result, confidential information may be leaked. UnifyOpenStage60 and so on are all IP phones from Unify. A remote attacker could exploit the vulnerability to exploit a man-in-the-middle attack or decrypt communication between legitimate users and devices
Show details on source website{
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VAR-201710-0035
Vulnerability from variot - Updated: 2025-04-20 23:21Multiple Cisco embedded devices use hardcoded X.509 certificates and SSH host keys embedded in the firmware, which allows remote attackers to defeat cryptographic protection mechanisms and conduct man-in-the-middle attacks by leveraging knowledge of these certificates and keys from another installation, aka Bug IDs CSCuw46610, CSCuw46620, CSCuw46637, CSCuw46654, CSCuw46665, CSCuw46672, CSCuw46677, CSCuw46682, CSCuw46705, CSCuw46716, CSCuw46979, CSCuw47005, CSCuw47028, CSCuw47040, CSCuw47048, CSCuw47061, CSCuw90860, CSCuw90869, CSCuw90875, CSCuw90881, CSCuw90899, and CSCuw90913. The encryption key is hard-coded (CWE-321) SEC Consult of Stefan Viehböck According to the survey, many embedded devices are not unique X.509 Certificate and SSH It is said that it is accessible from the Internet using a host key. A hard-coded key in a firmware image or a repository stored by scanning the Internet scans.io ( In particular SSH And the result of SSL Certificate ) A device that uses a certificate whose fingerprint matches the data of can be determined to be vulnerable. Affected devices include household routers and IP From the camera VoIP Wide range of products. CWE-321: Use of Hard-coded Cryptographic Key http://cwe.mitre.org/data/definitions/321.html scans.io https://scans.io/ SSH Result of https://scans.io/series/ssh-rsa-full-ipv4 SSL Certificate https://scans.io/study/sonar.ssl In many vulnerable devices, certificate and key reuse is limited to a limited product line by a specific developer, but there are several examples where multiple developers use the same certificate or key. Or exist. These are common SDK Firmware developed using, or ISP Provided by OEM The root cause is the use of device firmware. Vulnerable equipment is impersonation and intermediary (man-in-the-middle) There is a possibility of being attacked or deciphering the communication contents. Perhaps the attacker can obtain authentication information and other sensitive information and use it for further attacks. Survey results and certificates SSH For more information on systems affected by host key issues, see SEC Consult See the blog post. Certificate https://www.sec-consult.com/download/certificates.html SSH Host key https://www.sec-consult.com/download/ssh_host_keys.html SEC Consult http://blog.sec-consult.com/2015/11/house-of-keys-industry-wide-https.htmlA remote attacker impersonates a user or intermediary (man-in-the-middle) There is a possibility of being attacked or deciphering the communication contents. As a result, confidential information may be leaked. The Cisco RV320 Dual Gigabit WAN VPN is a router product from Cisco Systems, USA. Multiple Cisco Products are prone to an information-disclosure vulnerability. Successful exploits will lead to other attacks. This issue is being tracked by Cisco Bug IDs CSCuw46610, CSCuw46620, CSCuw46637, CSCuw46654, CSCuw46665, CSCuw46672, CSCuw46677, CSCuw46682, CSCuw46705, CSCuw46716, CSCuw46979, CSCuw47005, CSCuw47028, CSCuw47040, CSCuw47048, CSCuw47061, CSCuw90860, CSCuw90869, CSCuw90875, CSCuw90881, CSCuw90899, and CSCuw90913. The flaw stems from the fact that the program does not generate unique keys and certificates
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VAR-201709-0027
Vulnerability from variot - Updated: 2025-04-20 23:21ZyXEL NWA1100-N, NWA1100-NH, NWA1121-NI, NWA1123-AC, and NWA1123-NI access points; P-660HN-51, P-663HN-51, VMG1312-B10A, VMG1312-B30A, VMG1312-B30B, VMG4380-B10A, VMG8324-B10A, VMG8924-B10A, VMG8924-B30A, and VSG1435-B101 DSL CPEs; PMG5318-B20A GPONs; SBG3300-N000, SBG3300-NB00, and SBG3500-N000 small business gateways; GS1900-8 and GS1900-24 switches; and C1000Z, Q1000, FR1000Z, and P8702N project models use non-unique X.509 certificates and SSH host keys. Many embedded devices are not unique X.509 Certificate and SSH Spoofing and intermediary because host key is used (man-in-the-middle) There is a possibility of being attacked and attacks such as decryption of communication contents. The encryption key is hard-coded (CWE-321) SEC Consult of Stefan Viehböck According to the survey, many embedded devices are not unique X.509 Certificate and SSH It is said that it is accessible from the Internet using a host key. A hard-coded key in a firmware image or a repository stored by scanning the Internet scans.io ( In particular SSH And the result of SSL Certificate ) A device that uses a certificate whose fingerprint matches the data of can be determined to be vulnerable. Affected devices include household routers and IP From the camera VoIP Wide range of products. CWE-321: Use of Hard-coded Cryptographic Key http://cwe.mitre.org/data/definitions/321.html scans.io https://scans.io/ SSH Result of https://scans.io/series/ssh-rsa-full-ipv4 SSL Certificate https://scans.io/study/sonar.ssl In many vulnerable devices, certificate and key reuse is limited to a limited product line by a specific developer, but there are several examples where multiple developers use the same certificate or key. Or exist. These are common SDK Firmware developed using, or ISP Provided by OEM The root cause is the use of device firmware. Vulnerable equipment is impersonation and intermediary (man-in-the-middle) There is a possibility of being attacked or deciphering the communication contents. Perhaps the attacker can obtain authentication information and other sensitive information and use it for further attacks. Survey results and certificates SSH For more information on systems affected by host key issues, see SEC Consult See the blog post. Certificate https://www.sec-consult.com/download/certificates.html SSH Host key https://www.sec-consult.com/download/ssh_host_keys.html SEC Consult http://blog.sec-consult.com/2015/11/house-of-keys-industry-wide-https.htmlA remote attacker impersonates a user or intermediary (man-in-the-middle) There is a possibility of being attacked or deciphering the communication contents. As a result, confidential information may be leaked. ZyXEL Access Point NWA1100-N is a wireless network receiving device from ZyXEL Technology. Multiple ZyXEL Products are prone to an information-disclosure vulnerability. Successful exploits will lead to other attacks
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VAR-201708-0143
Vulnerability from variot - Updated: 2025-04-20 23:21ZTE OX-330P, ZXHN H108N, W300V1.0.0S_ZRD_TR1_D68, HG110, GAN9.8T101A-B, MF28G, ZXHN H108N use non-unique X.509 certificates and SSH host keys, which might allow remote attackers to obtain credentials or other sensitive information via a man-in-the-middle attack, passive decryption attack, or impersonating a legitimate device. The encryption key is hard-coded (CWE-321) SEC Consult of Stefan Viehböck According to the survey, many embedded devices are not unique X.509 Certificate and SSH It is said that it is accessible from the Internet using a host key. A hard-coded key in a firmware image or a repository stored by scanning the Internet scans.io ( In particular SSH And the result of SSL Certificate ) A device that uses a certificate whose fingerprint matches the data of can be determined to be vulnerable. Affected devices include household routers and IP From the camera VoIP Wide range of products. CWE-321: Use of Hard-coded Cryptographic Key http://cwe.mitre.org/data/definitions/321.html scans.io https://scans.io/ SSH Result of https://scans.io/series/ssh-rsa-full-ipv4 SSL Certificate https://scans.io/study/sonar.ssl In many vulnerable devices, certificate and key reuse is limited to a limited product line by a specific developer, but there are several examples where multiple developers use the same certificate or key. Or exist. These are common SDK Firmware developed using, or ISP Provided by OEM The root cause is the use of device firmware. Vulnerable equipment is impersonation and intermediary (man-in-the-middle) There is a possibility of being attacked or deciphering the communication contents. Perhaps the attacker can obtain authentication information and other sensitive information and use it for further attacks. Survey results and certificates SSH For more information on systems affected by host key issues, see SEC Consult See the blog post. As a result, confidential information may be leaked. ZTEOX-330P and others are wireless router products of China ZTE Corporation (ZTE). An information disclosure vulnerability exists in several ZTE products. The following products are affected: ZTE OX-330P; ZXHN H108N; W300V1.0.0S_ZRD_TR1_D68; HG110; GAN9.8T101A-B; MF28G;
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VAR-201911-1313
Vulnerability from variot - Updated: 2024-11-23 23:11An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. The firmware image contains encrypted passwords that are used to authenticate users wishing to access a diagnostics or password-recovery menu. Using the hardcoded cryptographic key found elsewhere in the firmware, these passwords can be decrypted. This is related to fds_sys_passDebugPasswd_ret() and fds_sys_passRecoveryPasswd_ret() in libfds.so.0.0. Zyxel GS1900 The device firmware contains an information disclosure vulnerability from the cache.Information may be obtained. The ZyXEL GS1900 is a managed switch from ZyXEL, Taiwan.
A security hole exists in the Zyxel GS1900 using firmware 2.50 (AAHH.0) prior to C0
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VAR-201911-1312
Vulnerability from variot - Updated: 2024-11-23 23:08An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. Due to lack of input validation in the cmd_sys_traceroute_exec(), cmd_sys_arp_clear(), and cmd_sys_ping_exec() functions in the libclicmd.so library contained in the firmware, an attacker could leverage these functions to call system() and execute arbitrary commands on the switches. (Note that these functions are currently not called in this version of the firmware, however an attacker could use other vulnerabilities to finally use these vulnerabilities to gain code execution.). Zyxel GS1900 There is an input validation vulnerability in the device firmware.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. The ZyXEL GS1900 is a managed switch from ZyXEL, Taiwan.
A security vulnerability exists in Zyxel GS1900 using firmware version 2.50 (AAHH.0) prior to C0, which is due to missing input in the 'cmd_sys_traceroute_exec()', 'cmd_sys_arp_clear()', and 'cmd_sys_ping_exec()' functions in the libclicmd.so library Verification check. An attacker could exploit this vulnerability to execute arbitrary code on the switch
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VAR-201911-1314
Vulnerability from variot - Updated: 2024-11-23 23:04An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. The firmware hashes and encrypts passwords using a hardcoded cryptographic key in sal_util_str_encrypt() in libsal.so.0.0. The parameters (salt, IV, and key data) are used to encrypt and decrypt all passwords using AES256 in CBC mode. With the parameters known, all previously encrypted passwords can be decrypted. This includes the passwords that are part of configuration backups or otherwise embedded as part of the firmware. Zyxel GS1900 Device firmware contains a vulnerability related to the use of hard-coded credentials.Information may be obtained. The ZyXEL GS1900 is a managed switch from ZyXEL, Taiwan.
A security hole exists in the Zyxel GS1900 with this version of firmware prior to 2.50 (AAHH.0)C0
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VAR-201911-1311
Vulnerability from variot - Updated: 2024-11-23 22:58An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. User accounts created through the web interface of the device, when given non-admin level privileges, have the same level of privileged access as administrators when connecting to the device via SSH (while their permissions via the web interface are in fact restricted). This allows normal users to obtain the administrative password by running the tech-support command via the CLI: this contains the encrypted passwords for all users on the device. As these passwords are encrypted using well-known and static parameters, they can be decrypted and the original passwords (including the administrator password) can be obtained. Zyxel GS1900 There is a privilege management vulnerability in the device firmware.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. The ZyXEL GS1900 is a managed switch from ZyXEL, Taiwan.
A security hole exists in the Zyxel GS1900 using firmware 2.50 (AAHH.0) prior to C0. An attacker could exploit the vulnerability to obtain an administrative password
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VAR-201911-1540
Vulnerability from variot - Updated: 2024-11-23 22:25Technicolor C2000T and C2100T uses hard-coded cryptographic keys. Many embedded devices are not unique X.509 Certificate and SSH Spoofing and intermediary because host key is used (man-in-the-middle) There is a possibility of being attacked and attacks such as decryption of communication contents. The encryption key is hard-coded (CWE-321) SEC Consult of Stefan Viehböck According to the survey, many embedded devices are not unique X.509 Certificate and SSH It is said that it is accessible from the Internet using a host key. A hard-coded key in a firmware image or a repository stored by scanning the Internet scans.io ( In particular SSH And the result of SSL Certificate ) A device that uses a certificate whose fingerprint matches the data of can be determined to be vulnerable. Affected devices include household routers and IP From the camera VoIP Wide range of products. CWE-321: Use of Hard-coded Cryptographic Key http://cwe.mitre.org/data/definitions/321.html scans.io https://scans.io/ SSH Result of https://scans.io/series/ssh-rsa-full-ipv4 SSL Certificate https://scans.io/study/sonar.ssl In many vulnerable devices, certificate and key reuse is limited to a limited product line by a specific developer, but there are several examples where multiple developers use the same certificate or key. Or exist. These are common SDK Firmware developed using, or ISP Provided by OEM The root cause is the use of device firmware. Vulnerable equipment is impersonation and intermediary (man-in-the-middle) There is a possibility of being attacked or deciphering the communication contents. Perhaps the attacker can obtain authentication information and other sensitive information and use it for further attacks. Survey results and certificates SSH For more information on systems affected by host key issues, see SEC Consult See the blog post. Certificate https://www.sec-consult.com/download/certificates.html SSH Host key https://www.sec-consult.com/download/ssh_host_keys.html SEC Consult http://blog.sec-consult.com/2015/11/house-of-keys-industry-wide-https.htmlA remote attacker impersonates a user or intermediary (man-in-the-middle) There is a possibility of being attacked or deciphering the communication contents. As a result, confidential information may be leaked
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VAR-201911-1316
Vulnerability from variot - Updated: 2024-11-23 22:05An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. By sending a signal to the CLI process, undocumented functionality is triggered. Specifically, a menu can be triggered by sending the SIGQUIT signal to the CLI application (e.g., through CTRL+\ via SSH). The access control check for this menu does work and prohibits accessing the menu, which contains "Password recovery for specific user" options. The menu is believed to be accessible using a serial console. Zyxel GS1900 An input validation vulnerability exists in the device firmware.Information may be altered. ZyXEL GS1900 is a managed switch of ZyXEL Corporation in Taiwan.
There is a security vulnerability in Zyxel GS1900 using firmware versions prior to 2.50 (AAHH.0) C0
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VAR-201911-1315
Vulnerability from variot - Updated: 2024-11-23 21:59An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. Through an undocumented sequence of keypresses, undocumented functionality is triggered. A diagnostics shell is triggered via CTRL-ALT-t, which prompts for the password returned by fds_sys_passDebugPasswd_ret(). The firmware contains access control checks that determine if remote users are allowed to access this functionality. The function that performs this check (fds_sys_remoteDebugEnable_ret in libfds.so) always return TRUE with no actual checks performed. The diagnostics menu allows for reading/writing arbitrary registers and various other configuration parameters which are believed to be related to the network interface chips. Zyxel GS1900 There is an input validation vulnerability in the device firmware.Information may be obtained and information may be altered. The ZyXEL GS1900 is a managed switch from ZyXEL, Taiwan.
A security hole exists in the Zyxel GS1900 using firmware 2.50 (AAHH.0) prior to C0. An attacker could exploit this vulnerability to access restricted features
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VAR-202112-2078
Vulnerability from variot - Updated: 2024-08-14 14:18A vulnerability in the 'libsal.so' of the Zyxel GS1900 series firmware version 2.60 could allow an authenticated local user to execute arbitrary OS commands via a crafted function call. (DoS) It may be in a state. Zyxel ZyXEL GS1900 is a managed switch from Zyxel in Taiwan
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VAR-202112-2079
Vulnerability from variot - Updated: 2024-08-14 14:18A vulnerability in the TFTP client of Zyxel GS1900 series firmware, XGS1210 series firmware, and XGS1250 series firmware, which could allow an authenticated LAN user to execute arbitrary OS commands via the GUI of the vulnerable device. (DoS) It may be in a state. Zyxel ZyXEL GS1900 is a managed switch from Zyxel, Taiwan.
An access control error vulnerability exists in several Zyxel products. The vulnerability is caused by the product's TFTP client not adding permission control to the function of executing system commands. An attacker can use this vulnerability to execute arbitrary operating system commands after logging in
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