Search Results (331 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2004-0670 1 Zyxel 1 Prestige 2026-04-16 N/A
Prestige 650HW-31 running Rompager 4.7 software allows remote attackers to cause a denial of service (device reboot) via a long password.
CVE-2005-1717 1 Zyxel 1 Prestige 650r-31 2026-04-16 N/A
ZyXEL Prestige 650R-31 router running ZyNOS FW v3.40(KO.1) allows remote attackers to cause a denial of service (CPU consumption and network loss) via crafted fragmented IP packets.
CVE-2001-1135 1 Zyxel 1 Prestige 2026-04-16 N/A
ZyXEL Prestige 642R and 642R-I routers do not filter the routers' Telnet and FTP ports on the external WAN interface from inside access, allowing someone on an internal computer to reconfigure the router, if the password is known.
CVE-2005-0328 2 Netgear, Zyxel 3 Rt311, Rt314, Prestige 2026-04-16 N/A
Zyxel P310, P314, P324 and Netgear RT311, RT314 running the latest firmware, allows remote attackers on the WAN to obtain the IP address of the LAN side interface by pinging a valid LAN IP address, which generates an ARP reply from the WAN address side that maps the LAN IP address to the WAN's MAC address.
CVE-2002-1072 1 Zyxel 1 Prestige 2026-04-16 N/A
ZyXEL Prestige 642R 2.50(FA.1) and Prestige 310 V3.25(M.01), allows remote attackers to cause a denial of service via an oversized, fragmented "jolt" style ICMP packet.
CVE-2001-1194 1 Zyxel 2 Prestige 1600, Prestige 681 2026-04-16 N/A
Zyxel Prestige 681 and 1600 SDSL Routers allow remote attackers to cause a denial of service via malformed packets with (1) an IP length less than actual packet size, or (2) fragmented packets whose size exceeds 64 kilobytes after reassembly.
CVE-2004-1789 1 Zyxel 1 Zywall10 2026-04-16 N/A
Cross-site scripting (XSS) vulnerability in the web management interface in ZyWALL 10 4.07 allows remote attackers to inject arbitrary web script or HTML via the rpAuth_1 page.
CVE-2006-3929 1 Zyxel 1 Prestige 660h-61 2026-04-16 N/A
Cross-site scripting (XSS) vulnerability in the Forms/rpSysAdmin script on the Zyxel Prestige 660H-61 ADSL Router running firmware 3.40(PT.0)b32 allows remote attackers to inject arbitrary web script or HTML via hex-encoded values in the a parameter.
CVE-2004-1684 1 Zyxel 2 Prestige, Zynos 2026-04-16 N/A
Zyxel P681 running ZyNOS Vt020225a contains portions of memory in an ARP request, which allows remote attackers to obtain sensitive information by sniffing the network.
CVE-2002-1071 1 Zyxel 1 Prestige 2026-04-16 N/A
ZyXEL Prestige 642R allows remote attackers to cause a denial of service in the Telnet, FTP, and DHCP services (crash) via a TCP packet with both the SYN and ACK flags set.
CVE-2025-11730 1 Zyxel 4 Atp Series Firmware, Usg20(w)-vpn Series Firmware, Usg Flex 50(w) Series Firmware and 1 more 2026-04-15 7.2 High
A post‑authentication command injection vulnerability in the Dynamic DNS (DDNS) configuration CLI command in Zyxel ATP series firmware versions from V5.35 through V5.41, USG FLEX series firmware versions from V5.35 through V5.41, USG FLEX 50(W) series firmware versions from V5.35 through V5.41, and USG20(W)-VPN series firmware versions from V5.35 through V5.41 could allow an authenticated attacker with administrator privileges to execute operating system (OS) commands on an affected device by supplying a specially crafted string as an argument to the CLI command.
CVE-2024-11253 1 Zyxel 12 Dm4200-b0, Dm4200-b0 Firmware, Emg5723-t50k and 9 more 2026-02-26 7.2 High
A post-authentication command injection vulnerability in the "DNSServer” parameter of the diagnostic function in the Zyxel VMG8825-T50K firmware version V5.50(ABOM.8.5)C0 and earlier could allow an authenticated attacker with administrator privileges to execute operating system (OS) commands on a vulnerable device.
CVE-2024-12009 1 Zyxel 76 Ax7501-b0, Ax7501-b0 Firmware, Ax7501-b1 and 73 more 2026-02-26 7.2 High
A post-authentication command injection vulnerability in the "ZyEE" function of the Zyxel EX5601-T1 firmware version V5.70(ACDZ.3.6)C0 and earlier could allow an authenticated attacker with administrator privileges to execute operating system (OS) commands on a vulnerable device.
CVE-2024-12010 1 Zyxel 82 Ax7501-b0, Ax7501-b0 Firmware, Ax7501-b1 and 79 more 2026-02-26 7.2 High
A post-authentication command injection vulnerability in the ”zyUtilMailSend” function of the Zyxel AX7501-B1 firmware version V5.17(ABPC.5.3)C0 and earlier could allow an authenticated attacker with administrator privileges to execute operating system (OS) commands on a vulnerable device.
CVE-2025-1731 1 Zyxel 9 Uos, Usg Flex 100h, Usg Flex 100hp and 6 more 2026-02-26 7.8 High
An incorrect permission assignment vulnerability in the PostgreSQL commands of the Zyxel USG FLEX H series uOS firmware versions from V1.20 through V1.31 could allow an authenticated local attacker with low privileges to gain access to the Linux shell and escalate their privileges by crafting malicious scripts or modifying system configurations with administrator-level access through a stolen token. Modifying the system configuration is only possible if the administrator has not logged out and the token remains valid.
CVE-2025-1732 1 Zyxel 9 Uos, Usg Flex 100h, Usg Flex 100hp and 6 more 2026-02-26 6.7 Medium
An improper privilege management vulnerability in the recovery function of the Zyxel USG FLEX H series uOS firmware version V1.31 and earlier could allow an authenticated local attacker with administrator privileges to upload a crafted configuration file and escalate privileges on a vulnerable device.
CVE-2025-6265 1 Zyxel 48 Nwa110ax, Nwa110ax Firmware, Nwa1123ac Pro and 45 more 2026-02-26 7.2 High
A path traversal vulnerability in the file_upload-cgi CGI program of Zyxel NWA50AX PRO firmware version 7.10(ACGE.2) and earlier could allow an authenticated attacker with administrator privileges to access specific directories and delete files, such as the configuration file, on the affected device.
CVE-2025-7673 1 Zyxel 48 Emg3525-t50b, Emg3525-t50b Firmware, Emg5523-t50b and 45 more 2026-02-26 9.8 Critical
A buffer overflow vulnerability in the URL parser of the zhttpd web server in Zyxel VMG8825-T50K firmware versions prior to V5.50(ABOM.5)C0 could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and potentially execute arbitrary code by sending a specially crafted HTTP request.
CVE-2025-8078 1 Zyxel 21 Atp100, Atp100w, Atp200 and 18 more 2026-02-26 7.2 High
A post-authentication command injection vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.40, USG FLEX series firmware versions from V4.50 through V5.40, USG FLEX 50(W) series firmware versions from V4.16 through V5.40, and USG20(W)-VPN series firmware versions from V4.16 through V5.40 could allow an authenticated attacker with administrator privileges to execute operating system (OS) commands on the affected device by passing a crafted string as an argument to a CLI command.
CVE-2025-9133 1 Zyxel 21 Atp100, Atp100w, Atp200 and 18 more 2026-02-26 8.1 High
A missing authorization vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.40, USG FLEX series firmware versions from V4.50 through V5.40, USG FLEX 50(W) series firmware versions from V4.16 through V5.40, and USG20(W)-VPN series firmware versions from V4.16 through V5.40 could allow a semi-authenticated attacker—who has completed only the first stage of the two-factor authentication (2FA) process—to view and download the system configuration from an affected device.