Vulnerabilities (CVE)

Filtered by vendor Zyxel Subscribe
Total 303 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2016-10227 1 Zyxel 4 Nwa3560-n, Nwa3560-n Firmware, Usg50 and 1 more 2025-04-20 7.8 HIGH 7.5 HIGH
Zyxel USG50 Security Appliance and NWA3560-N Access Point allow remote attackers to cause a denial of service (CPU consumption) via a flood of ICMPv4 Port Unreachable packets.
CVE-2015-7256 1 Zyxel 50 C1000z, C1000z Firmware, Fr1000z and 47 more 2025-04-20 4.3 MEDIUM 5.9 MEDIUM
ZyXEL 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.
CVE-2016-10401 1 Zyxel 2 Pk5001z, Pk5001z Firmware 2025-04-20 9.0 HIGH 8.8 HIGH
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).
CVE-2017-3216 5 Greenpacket, Huawei, Mada and 2 more 28 Ox350, Ox350 Firmware, Bm2022 and 25 more 2025-04-20 10.0 HIGH 9.8 CRITICAL
WiMAX routers based on the MediaTek SDK (libmtk) that use a custom httpd plugin are vulnerable to an authentication bypass allowing a remote, unauthenticated attacker to gain administrator access to the device by performing an administrator password change on the device via a crafted POST request.
CVE-2017-7964 1 Zyxel 1 Wre6505 Firmware 2025-04-20 10.0 HIGH 10.0 CRITICAL
Zyxel WRE6505 devices have a default TELNET password of 1234 for the root and admin accounts, which makes it easier for remote attackers to conduct DNS hijacking attacks by reconfiguring the built-in dnshijacker process.
CVE-2017-15226 1 Zyxel 2 Nbg6716, Nbg6716 Firmware 2025-04-20 7.5 HIGH 9.8 CRITICAL
Zyxel NBG6716 V1.00(AAKG.9)C0 devices allow command injection in the ozkerz component because beginIndex and endIndex are used directly in a popen call.
CVE-2017-17901 1 Zyxel 2 P-660hw, P-660hw Firmware 2025-04-20 7.8 HIGH 7.5 HIGH
ZyXEL P-660HW v3 devices allow remote attackers to cause a denial of service (CPU consumption) via a flood of IP packets with a TTL of 1.
CVE-2017-6884 1 Zyxel 2 Emg2926, Emg2926 Firmware 2025-04-20 9.0 HIGH 8.8 HIGH
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.
CVE-2015-7284 1 Zyxel 2 Nbg-418n, Nbg-418n Firmware 2025-04-12 6.8 MEDIUM 8.0 HIGH
Cross-site request forgery (CSRF) vulnerability on ZyXEL NBG-418N devices with firmware 1.00(AADZ.3)C0 allows remote attackers to hijack the authentication of arbitrary users.
CVE-2014-0355 1 Zyxel 2 N300 Netusb Nbg-419n, N300 Netusb Nbg-419n Firmware 2025-04-12 7.9 HIGH N/A
Multiple stack-based buffer overflows on the ZyXEL Wireless N300 NetUSB NBG-419N router with firmware 1.00(BFQ.6)C0 allow man-in-the-middle attackers to execute arbitrary code via (1) a long temp attribute in a yweather:condition element in a forecastrss file that is processed by the checkWeather function; the (2) WeatherCity or (3) WeatherDegree variable to the detectWeather function; unspecified input to the (4) UpnpAddRunRLQoS, (5) UpnpDeleteRunRLQoS, or (6) UpnpDeletePortCheckType function; or (7) the SET COUNTRY udps command.
CVE-2016-1346 6 Cisco, Dell, Netgear and 3 more 6 Telepresence Server Mse 8710, Emc Powerscale Onefs, Jr6150 Firmware and 3 more 2025-04-12 7.1 HIGH 5.9 MEDIUM
The kernel in Cisco TelePresence Server 3.0 through 4.2(4.18) on Mobility Services Engine (MSE) 8710 devices allows remote attackers to cause a denial of service (panic and reboot) via a crafted sequence of IPv6 packets, aka Bug ID CSCuu46673.
CVE-2013-3588 1 Zyxel 11 P-660h-61, P-660h-63, P-660h-67 and 8 more 2025-04-12 7.8 HIGH N/A
The web management interface on Zyxel P660 devices allows remote attackers to cause a denial of service (reboot) via a flood of TCP SYN packets.
CVE-2016-1307 2 Zyxel, Zzinc 2 Gs1900-10hp Firmware, Keymouse Firmware 2025-04-12 5.5 MEDIUM 5.4 MEDIUM
The Openfire server in Cisco Finesse Desktop 10.5(1) and 11.0(1) and Unified Contact Center Express 10.6(1) has a hardcoded account, which makes it easier for remote attackers to obtain access via an XMPP session, aka Bug ID CSCuw79085.
CVE-2016-2243 3 Hp, Samsung, Zyxel 30 1000 Series Firmware, 700 Series Firmware, 800 Series Firmware and 27 more 2025-04-12 5.4 MEDIUM 7.9 HIGH
Sure Start on HP Commercial PCs 2015 allows local users to cause a denial of service (BIOS recovery failure) by leveraging administrative access.
CVE-2014-7277 1 Zyxel 2 Sbg3300-n, Sbg3300-n Firmware 2025-04-12 4.3 MEDIUM N/A
Cross-site scripting (XSS) vulnerability in the login page on the ZyXEL SBG-3300 Security Gateway with firmware 1.00(AADY.4)C0 and earlier allows remote attackers to inject arbitrary web script or HTML via unspecified "welcome message" form data that is improperly handled during rendering of the loginMessage list item, a different vulnerability than CVE-2014-7278.
CVE-2015-6018 1 Zyxel 1 Pmg5318-b20a Firmware 2025-04-12 10.0 HIGH 9.8 CRITICAL
The diagnostic-ping implementation on ZyXEL PMG5318-B20A devices with firmware before 1.00(AANC.2)C0 allows remote attackers to execute arbitrary commands via the PingIPAddr parameter.
CVE-2015-7283 1 Zyxel 2 Nbg-418n, Nbg-418n Firmware 2025-04-12 9.3 HIGH 8.1 HIGH
The web administration interface on ZyXEL NBG-418N devices with firmware 1.00(AADZ.3)C0 has a default password of 1234 for the admin account, which allows remote attackers to obtain administrative privileges by leveraging a LAN session.
CVE-2015-5988 1 Zyxel 1 Gs1900-10hp Firmware 2025-04-12 9.3 HIGH 9.8 CRITICAL
The web management interface on Belkin F9K1102 2 devices with firmware 2.10.17 has a blank password, which allows remote attackers to obtain administrative privileges by leveraging a LAN session.
CVE-2015-6313 4 Cisco, Sun, Zyxel and 1 more 9 Telepresence Server 7010, Telepresence Server Mse 8710, Telepresence Server On Multiparty Media 310 and 6 more 2025-04-12 7.8 HIGH 7.5 HIGH
Cisco TelePresence Server 4.1(2.29) through 4.2(4.17) on 7010; Mobility Services Engine (MSE) 8710; Multiparty Media 310, 320, and 820; and Virtual Machine (VM) devices allows remote attackers to cause a denial of service (memory consumption or device reload) via crafted HTTP requests that are not followed by an unspecified negotiation, aka Bug ID CSCuv47565.
CVE-2015-6020 1 Zyxel 1 Pmg5318-b20a Firmware 2025-04-12 8.3 HIGH 8.0 HIGH
ZyXEL PMG5318-B20A devices with firmware 1.00AANC0b5 allow remote authenticated users to obtain administrative privileges by leveraging access to the user account.