Vulnerabilities (CVE)

Join the Common Vulnerabilities and Exposures (CVE) community and start to get notified about new vulnerabilities.

Filtered by vendor Zyxel Subscribe
Total 194 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2018-14893 1 Zyxel 2 Nsa325 V2, Nsa325 V2 Firmware 2020-08-24 9.0 HIGH 8.8 HIGH
A system command injection vulnerability in zyshclient in ZyXEL NSA325 V2 version 4.81 allows attackers to execute system commands via the web application API.
CVE-2019-10630 1 Zyxel 2 Nas326, Nas326 Firmware 2020-08-24 4.0 MEDIUM 8.8 HIGH
A plaintext password vulnerability in the Zyxel NAS 326 through 5.21 allows an elevated privileged user to get the admin password of the device.
CVE-2019-10631 1 Zyxel 2 Nas326, Nas326 Firmware 2020-08-24 6.5 MEDIUM 8.8 HIGH
Shell Metacharacter Injection in the package installer on Zyxel NAS 326 version 5.21 and below allows an authenticated attacker to execute arbitrary code via multiple different requests.
CVE-2019-12583 1 Zyxel 28 Uag2100, Uag2100 Firmware, Uag4100 and 25 more 2020-08-24 6.4 MEDIUM 9.1 CRITICAL
Missing Access Control in the "Free Time" component of several Zyxel UAG, USG, and ZyWall devices allows a remote attacker to generate guest accounts by directly accessing the account generator. This can lead to unauthorised network access or Denial of Service.
CVE-2019-15800 1 Zyxel 18 Gs1900-10hp, Gs1900-10hp Firmware, Gs1900-16 and 15 more 2020-08-24 10.0 HIGH 9.8 CRITICAL
An 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.)
CVE-2019-15803 1 Zyxel 18 Gs1900-10hp, Gs1900-10hp Firmware, Gs1900-16 and 15 more 2020-08-24 6.4 MEDIUM 9.1 CRITICAL
An 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.
CVE-2019-15804 1 Zyxel 18 Gs1900-10hp, Gs1900-10hp Firmware, Gs1900-16 and 15 more 2020-08-24 5.0 MEDIUM 7.5 HIGH
An 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.
CVE-2019-17354 1 Zyxel 2 Nbg-418n V2, Nbg-418n V2 Firmware 2020-08-24 7.5 HIGH 9.4 CRITICAL
wan.htm page on Zyxel NBG-418N v2 with firmware version V1.00(AARP.9)C0 can be accessed directly without authentication, which can lead to disclosure of information about the WAN, and can also be leveraged by an attacker to modify data fields of the page.
CVE-2020-15323 1 Zyxel 1 Cloudcnm Secumanager 2020-07-06 7.5 HIGH 9.8 CRITICAL
Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has the cloud1234 password for the a1@chopin account default credentials.
CVE-2020-15322 1 Zyxel 1 Cloudcnm Secumanager 2020-07-06 7.5 HIGH 9.8 CRITICAL
Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has the wbboEZ4BN3ssxAfM hardcoded password for the debian-sys-maint account.
CVE-2020-15318 1 Zyxel 1 Cloudcnm Secumanager 2020-07-06 4.3 MEDIUM 5.9 MEDIUM
Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a hardcoded DSA SSH key for the root account within the /opt/mysql chroot directory tree.
CVE-2020-15321 1 Zyxel 1 Cloudcnm Secumanager 2020-07-06 7.5 HIGH 9.8 CRITICAL
Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has the axzyxel password for the livedbuser account.
CVE-2020-15317 1 Zyxel 1 Cloudcnm Secumanager 2020-07-06 4.3 MEDIUM 5.9 MEDIUM
Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a hardcoded RSA SSH key for the root account within the /opt/axess chroot directory tree.
CVE-2020-15316 1 Zyxel 1 Cloudcnm Secumanager 2020-07-06 4.3 MEDIUM 5.9 MEDIUM
Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a hardcoded ECDSA SSH key for the root account within the /opt/axess chroot directory tree.
CVE-2020-15315 1 Zyxel 1 Cloudcnm Secumanager 2020-07-06 4.3 MEDIUM 5.9 MEDIUM
Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a hardcoded DSA SSH key for the root account within the /opt/axess chroot directory tree.
CVE-2020-15324 1 Zyxel 1 Cloud Cnm Secumanager 2020-07-06 7.5 HIGH 9.8 CRITICAL
Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a world-readable axess/opt/axXMPPHandler/config/xmpp_config.py file that stores hardcoded credentials.
CVE-2020-15314 1 Zyxel 1 Cloudcnm Secumanager 2020-07-02 4.3 MEDIUM 5.9 MEDIUM
Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a hardcoded RSA SSH key for the root account.
CVE-2020-15319 1 Zyxel 1 Cloudcnm Secumanager 2020-07-02 4.3 MEDIUM 5.9 MEDIUM
Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a hardcoded RSA SSH key for the root account within the /opt/mysql chroot directory tree.
CVE-2020-15320 1 Zyxel 1 Cloudcnm Secumanager 2020-07-02 7.5 HIGH 9.8 CRITICAL
Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has the axiros password for the root account.
CVE-2020-15313 1 Zyxel 1 Cloudcnm Secumanager 2020-07-02 4.3 MEDIUM 5.9 MEDIUM
Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a hardcoded ECDSA SSH key for the root account.