Vulnerabilities (CVE)

Filtered by vendor Zyxel Subscribe
Total 244 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2016-10401 1 Zyxel 2 Pk5001z, Pk5001z Firmware 2023-12-10 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-2018-5330 1 Zyxel 2 P-660hw V3, P-660hw V3 Firmware 2023-12-10 7.8 HIGH 7.5 HIGH
ZyXEL P-660HW v3 devices allow remote attackers to cause a denial of service (router unreachable/unresponsive) via a flood of fragmented UDP packets.
CVE-2017-3216 5 Greenpacket, Huawei, Mada and 2 more 28 Ox350, Ox350 Firmware, Bm2022 and 25 more 2023-12-10 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-2017-17901 1 Zyxel 2 P-660hw, P-660hw Firmware 2023-12-10 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-2017-15226 1 Zyxel 2 Nbg6716, Nbg6716 Firmware 2023-12-10 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-2017-7964 1 Zyxel 1 Wre6505 Firmware 2023-12-10 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-2017-6884 1 Zyxel 2 Emg2926, Emg2926 Firmware 2023-12-10 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-2016-10227 1 Zyxel 4 Nwa3560-n, Nwa3560-n Firmware, Usg50 and 1 more 2023-12-10 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-2015-7284 1 Zyxel 2 Nbg-418n, Nbg-418n Firmware 2023-12-10 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-2015-6017 1 Zyxel 1 P-660hw-t1 V2 Firmware 2023-12-10 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-2015-6019 1 Zyxel 1 Pmg5318-b20a Firmware 2023-12-10 5.0 MEDIUM 8.5 HIGH
The management portal on ZyXEL PMG5318-B20A devices with firmware 1.00AANC0b5 does not terminate sessions upon a logout action, which allows remote attackers to bypass intended access restrictions by leveraging an unattended workstation.
CVE-2015-6018 1 Zyxel 1 Pmg5318-b20a Firmware 2023-12-10 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-2015-6016 1 Zyxel 4 Nbg-418n, P-660hw-t1 2, Pmg5318-b20a Firmware and 1 more 2023-12-10 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-2015-7283 1 Zyxel 2 Nbg-418n, Nbg-418n Firmware 2023-12-10 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-2015-6020 1 Zyxel 1 Pmg5318-b20a Firmware 2023-12-10 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-2014-0355 1 Zyxel 2 N300 Netusb Nbg-419n, N300 Netusb Nbg-419n Firmware 2023-12-10 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-2014-7277 1 Zyxel 2 Sbg3300-n, Sbg3300-n Firmware 2023-12-10 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-2014-4162 1 Zyxel 1 P-660hw 2023-12-10 6.8 MEDIUM N/A
Multiple cross-site request forgery (CSRF) vulnerabilities in the Zyxel P-660HW-T1 (v3) wireless router allow remote attackers to hijack the authentication of administrators for requests that change the (1) wifi password or (2) SSID via a request to Forms/WLAN_General_1.
CVE-2014-0353 1 Zyxel 2 N300 Netusb Nbg-419n, N300 Netusb Nbg-419n Firmware 2023-12-10 6.1 MEDIUM N/A
The ZyXEL Wireless N300 NetUSB NBG-419N router with firmware 1.00(BFQ.6)C0 allows remote attackers to bypass authentication by using %2F sequences in place of / (slash) characters.
CVE-2014-0356 1 Zyxel 2 N300 Netusb Nbg-419n, N300 Netusb Nbg-419n Firmware 2023-12-10 7.9 HIGH N/A
The ZyXEL Wireless N300 NetUSB NBG-419N router with firmware 1.00(BFQ.6)C0 allows remote attackers to execute arbitrary code via shell metacharacters in input to the (1) detectWeather, (2) set_language, (3) SystemCommand, or (4) NTPSyncWithHost function in management.c, or a (5) SET COUNTRY, (6) SET WLAN SSID, (7) SET WLAN CHANNEL, (8) SET WLAN STATUS, or (9) SET WLAN COUNTRY udps command.