Vulnerabilities (CVE)

Filtered by vendor Zyxel Subscribe
Total 308 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
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-2017-17901 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-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-2016-10227 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-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-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.
CVE-2016-1350 6 Cisco, Lenovo, Samsung and 3 more 6 Ios Xe, Thinkcentre E75s Firmware, X14j Firmware and 3 more 2025-04-12 7.8 HIGH 7.5 HIGH
Cisco IOS 15.3 and 15.4, Cisco IOS XE 3.8 through 3.11, and Cisco Unified Communications Manager allow remote attackers to cause a denial of service (device reload) via malformed SIP messages, aka Bug ID CSCuj23293.
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-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-2015-5990 1 Zyxel 1 Gs1900-10hp Firmware 2025-04-12 6.8 MEDIUM 8.8 HIGH
Cross-site request forgery (CSRF) vulnerability on Belkin F9K1102 2 devices with firmware 2.10.17 allows remote attackers to hijack the authentication of arbitrary users.
CVE-2015-6017 1 Zyxel 1 P-660hw-t1 V2 Firmware 2025-04-12 4.3 MEDIUM 6.1 MEDIUM
Multiple cross-site scripting (XSS) vulnerabilities in Forms/rpAuth_1 on ZyXEL P-660HW-T1 2 devices with ZyNOS firmware 3.40(AXH.0) allow remote attackers to inject arbitrary web script or HTML via the (1) LoginPassword or (2) hiddenPassword parameter.
CVE-2014-7278 1 Zyxel 2 Sbg3300-n, Sbg3300-n Firmware 2025-04-12 5.0 MEDIUM N/A
The login page on the ZyXEL SBG-3300 Security Gateway with firmware 1.00(AADY.4)C0 and earlier allows remote attackers to cause a denial of service (persistent web-interface outage) via JavaScript code within unspecified "welcome message" form data that is improperly handled during use for the loginMsg variable's value, a different vulnerability than CVE-2014-7277.
CVE-2016-1348 6 Cisco, Netgear, Samsung and 3 more 6 Ios Xe, Jr6150 Firmware, X14j Firmware and 3 more 2025-04-12 7.8 HIGH 7.5 HIGH
Cisco IOS 15.0 through 15.5 and IOS XE 3.3 through 3.16 allow remote attackers to cause a denial of service (device reload) via a crafted DHCPv6 Relay message, aka Bug ID CSCus55821.
CVE-2015-6016 1 Zyxel 4 Nbg-418n, P-660hw-t1 2, Pmg5318-b20a Firmware and 1 more 2025-04-12 10.0 HIGH 9.8 CRITICAL
ZyXEL P-660HW-T1 2 devices with ZyNOS firmware 3.40(AXH.0), PMG5318-B20A devices with firmware 1.00AANC0b5, and NBG-418N devices have a default password of 1234 for the admin account, which allows remote attackers to obtain administrative access via unspecified vectors.
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-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-2016-1319 4 Samsung, Sun, Zyxel and 1 more 4 X14j Firmware, Opensolaris, Gs1900-10hp Firmware and 1 more 2025-04-12 5.0 MEDIUM 5.3 MEDIUM
Cisco Unified Communications Manager (aka CallManager) 9.1(2.10000.28), 10.5(2.10000.5), 10.5(2.12901.1), and 11.0(1.10000.10); Unified Communications Manager IM & Presence Service 10.5(2); Unified Contact Center Express 11.0(1); and Unity Connection 10.5(2) store a cleartext encryption key, which allows local users to obtain sensitive information via unspecified vectors, aka Bug ID CSCuv85958.
CVE-2015-5989 1 Zyxel 1 Gs1900-10hp Firmware 2025-04-12 10.0 HIGH 9.8 CRITICAL
Belkin F9K1102 2 devices with firmware 2.10.17 rely on client-side JavaScript code for authorization, which allows remote attackers to obtain administrative privileges via certain changes to LockStatus and Login_Success values.
CVE-2015-0718 6 Cisco, Netgear, Samsung and 3 more 7 Nx-os, Unified Computing System, Jr6150 Firmware and 4 more 2025-04-12 7.8 HIGH 7.5 HIGH
Cisco NX-OS 4.0 through 6.1 on Nexus 1000V 3000, 4000, 5000, 6000, and 7000 devices and Unified Computing System (UCS) platforms allows remote attackers to cause a denial of service (TCP stack reload) by sending crafted TCP packets to a device that has a TIME_WAIT TCP session, aka Bug ID CSCub70579.