The Billion 5200W-T TCLinux Fw $7.3.8.0 v008 130603 router distributed by TrueOnline has three user accounts with default passwords, including two hardcoded service accounts: one with the username true and password true, and another with the username user3 and and a long password consisting of a repetition of the string 0123456789. These accounts can be used to login to the web interface, exploit authenticated command injections, and change router settings for malicious purposes.

Cisco Application Policy Infrastructure Controller (APIC) devices with software before 1.0(3h) and 1.1 before 1.1(1j) and Nexus 9000 ACI Mode switches with software before 11.0(3h) and 11.1 before 11.1(1j) allow remote authenticated users to bypass intended RBAC restrictions via crafted REST requests, aka Bug ID CSCut12998.

ZyXEL PK5001Z devices have zyad5001 as the su password, which makes it easier for remote attackers to obtain root access if a non-root account password is known (or a non-root default account exists within an ISP's deployment of these devices).

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.

A command injection vulnerability was discovered on the Zyxel EMG2926 home router with firmware V1.00(AAQT.4)b8. The vulnerability is located in the diagnostic tools, specifically the nslookup function. A malicious user may exploit numerous vectors to execute arbitrary commands on the router, such as the ping_ip parameter to the expert/maintenance/diagnostic/nslookup URI.

A backdoor in certain Zyxel products allows remote TELNET access via a CGI script. This affects NAS520 V5.21(AASZ.4)C0, V5.21(AASZ.0)C0, V5.11(AASZ.3)C0, and V5.11(AASZ.0)C0; NAS542 V5.11(ABAG.0)C0, V5.20(ABAG.1)C0, and V5.21(ABAG.3)C0; NSA325 v2_V4.81(AALS.0)C0 and V4.81(AAAJ.1)C0; NSA310 4.22(AFK.0)C0 and 4.22(AFK.1)C0; NAS326 V5.21(AAZF.8)C0, V5.11(AAZF.4)C0, V5.11(AAZF.2)C0, and V5.11(AAZF.3)C0; NSA310S V4.75(AALH.2)C0; NSA320S V4.75(AANV.2)C0 and V4.75(AANV.1)C0; NSA221 V4.41(AFM.1)C0; and NAS540 V5.21(AATB.5)C0 and V5.21(AATB.3)C0.

Certain Zyxel products have a locally accessible binary that allows a non-root user to generate a password for an undocumented user account that can be used for a TELNET session as root. This affects NAS520 V5.21(AASZ.4)C0, V5.21(AASZ.0)C0, V5.11(AASZ.3)C0, and V5.11(AASZ.0)C0; NAS542 V5.11(ABAG.0)C0, V5.20(ABAG.1)C0, and V5.21(ABAG.3)C0; NSA325 v2_V4.81(AALS.0)C0 and V4.81(AAAJ.1)C0; NSA310 4.22(AFK.0)C0 and 4.22(AFK.1)C0; NAS326 V5.21(AAZF.8)C0, V5.11(AAZF.4)C0, V5.11(AAZF.2)C0, and V5.11(AAZF.3)C0; NSA310S V4.75(AALH.2)C0; NSA320S V4.75(AANV.2)C0 and V4.75(AANV.1)C0; NSA221 V4.41(AFM.1)C0; and NAS540 V5.21(AATB.5)C0 and V5.21(AATB.3)C0.

The ZyXEL P660HN-T1A v2 TCLinux Fw #7.3.37.6 router distributed by TrueOnline has a command injection vulnerability in the Remote System Log forwarding function, which is only accessible by an authenticated user. The vulnerability is in the logSet.asp page and can be exploited through the ServerIP parameter. Authentication can be achieved by exploiting CVE-2017-18371.

An 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.

Billion Smart Energy Router SG600R2 Firmware v3.02.rc6 allows an authenticated attacker to gain root execution privileges over the device via a hidden etc_ro/web/adm/system_command.asp shell feature.

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.

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.

An eval injection vulnerability in the Python web server routing on the Zyxel NAS 326 version 5.21 and below allows a remote authenticated attacker to execute arbitrary code via the tjp6jp6y4, simZysh, and ck6fup6 APIs.

Certain Zyxel products allow command injection by an admin via an input string to chg_exp_pwd during a password-change action. This affects VPN On-premise before ZLD V4.39 week38, VPN Orchestrator before SD-OS V10.03 week32, USG before ZLD V4.39 week38, USG FLEX before ZLD V4.55 week38, ATP before ZLD V4.55 week38, and NSG before 1.33 patch 4.

The Billion 5200W-T TCLinux Fw $7.3.8.0 v008 130603 router distributed by TrueOnline has a command injection vulnerability in the Time Setting function, which is only accessible by an authenticated user. The vulnerability is in the tools_time.asp page and can be exploited through the uiViewSNTPServer parameter. Authentication can be achieved by exploiting CVE-2017-18373.

The Zyxel Multy X (AC3000 Tri-Band WiFi System) device doesn't use a suitable mechanism to protect the UART. After an attacker dismantles the device and uses a USB-to-UART cable to connect the device, he can use the 1234 password for the root account to login to the system. Furthermore, an attacker can start the device's TELNET service as a backdoor.

Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a hardcoded ECDSA SSH key for the root account.

A flaw in the Zyxel LTE3301-M209 firmware verisons prior to V1.00(ABLG.6)C0 could allow a remote attacker to access the device using an improper pre-configured password if the remote administration feature has been enabled by an authenticated administrator.

The ZyXEL P660HN-T1A v2 TCLinux Fw #7.3.37.6 router distributed by TrueOnline has three user accounts with default passwords, including two hardcoded service accounts: one with the username true and password true, and another with the username supervisor and password zyad1234. These accounts can be used to login to the web interface, exploit authenticated command injections, and change router settings for malicious purposes.

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.

ZyXEL ZyWALL 1050 has a hard-coded password for the Quagga and Zebra processes that is not changed when it is set by a user, which allows remote attackers to gain privileges.

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.

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.

Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has the cloud1234 password for the a1@chopin account default credentials.

Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has the axzyxel password for the livedbuser account.

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.

Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has the wbboEZ4BN3ssxAfM hardcoded password for the debian-sys-maint account.

Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 uses ZODB storage without authentication.

The rpWLANRedirect.asp ASP page is accessible without authentication on ZyXEL P-660HN-T1 V2 (2.00(AAKK.3)) devices. After accessing the page, the admin user's password can be obtained by viewing the HTML source code, and the interface of the modem can be accessed as admin.

An 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.

An 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.

An exposed Telnet Service on the Billion Smart Energy Router SG600R2 with firmware v3.02.rc6 allows a local network attacker to authenticate via hardcoded credentials into a shell, gaining root execution privileges over the device.

Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has the axiros password for the root account.

Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a hardcoded certificate for Ejabberd in ejabberd.pem.

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.

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.

Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a hardcoded RSA SSH key for the root account.

Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a hardcoded DSA SSH key for the root account.

In Weidmueller Industrial WLAN devices in multiple versions an exploitable use of hard-coded credentials vulnerability exists in multiple iw_* utilities. The device operating system contains an undocumented encryption password, allowing for the creation of custom diagnostic scripts. An attacker can send diagnostic scripts while authenticated as a low privilege user to trigger this vulnerability.

A flaw was found in the ceph-ansible playbook where it contained hardcoded passwords that were being used as default passwords while deploying Ceph services. Any authenticated attacker can abuse this flaw to brute-force Ceph deployments, and gain administrator access to Ceph clusters via the Ceph dashboard to initiate read, write, and delete Ceph clusters and also modify Ceph cluster configurations. Versions before ceph-ansible 6.0.0alpha1 are affected.

BAB TECHNOLOGIE GmbH eibPort V3. Each device has its own unique hard coded and weak root SSH key passphrase known as 'eibPort string'. This is usable and the final part of an attack chain to gain SSH root access.

Integrated Data Protection Appliance versions 2.0, 2.1, and 2.2 contain undocumented accounts named 'support' and 'admin' that are protected with default passwords. These accounts have limited privileges and can access certain system files only. A malicious user with the knowledge of the default passwords may potentially log in to the system and gain read and write access to certain system files.

Multiple I-O DATA network camera products (TS-WRLP firmware Ver.1.09.04 and earlier, TS-WRLA firmware Ver.1.09.04 and earlier, TS-WRLP/E firmware Ver.1.09.04 and earlier) use hardcoded credentials which may allow an remote authenticated attacker to execute arbitrary OS commands on the device via unspecified vector.

Multiple vulnerabilities in the web-based management interface of Cisco Business Process Automation (BPA) could allow an authenticated, remote attacker to elevate privileges to Administrator. These vulnerabilities are due to improper authorization enforcement for specific features and for access to log files that contain confidential information. An attacker could exploit these vulnerabilities either by submitting crafted HTTP messages to an affected system and performing unauthorized actions with the privileges of an administrator, or by retrieving sensitive data from the logs and using it to impersonate a legitimate privileged user. A successful exploit could allow the attacker to elevate privileges to Administrator.

Use of hard-coded credentials vulnerability exists in STARDOM FCN Controller and FCJ Controller R4.10 to R4.31, which may allow an attacker with an administrative privilege to read/change configuration settings or update the controller with tampered firmware.

A hardcoded key in ControlUp Real-Time Agent (cuAgent.exe) before 8.2.5 may allow a potential attacker to run OS commands via a WCF channel.

Axeda agent (All versions) and Axeda Desktop Server for Windows (All versions) uses hard-coded credentials for its UltraVNC installation. Successful exploitation of this vulnerability could allow a remote authenticated attacker to take full remote control of the host operating system.

Extensis Portfolio v4.0 was discovered to contain hardcoded credentials which allows attackers to gain administrator privileges.

Netmaker is a platform for creating and managing virtual overlay networks using WireGuard. Prior to versions 0.8.5, 0.9.4, and 010.0, there is a hard-coded cryptographic key in the code base which can be exploited to run admin commands on a remote server if the exploiter know the address and username of the admin. This effects the server (netmaker) component, and not clients. This has been patched in Netmaker v0.8.5, v0.9.4, and v0.10.0. There are currently no known workarounds.

An issue was discovered on Wifi-soft UniBox controller 0.x through 2.x devices. network/mesh/edit-nds.php is vulnerable to arbitrary file upload, allowing an attacker to upload .php files and execute code on the server with root user privileges. Authentication for accessing this component can be bypassed by using Hard coded credentials.