Search Results (334 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2026-3870 1 Zyxel 1 Vmg4005-b50b Firmware 2026-06-02 6.5 Medium
A buffer overflow vulnerability in the UPnP AddPortMapping() command in Zyxel VMG4005-B50B firmware versions through 5.13(ABRL.5.4)C0 could allow an adjacent attacker to trigger a temporary denial-of-service (DoS) condition affecting the UPnP function of the affected device.
CVE-2026-3871 1 Zyxel 1 Vmg4005-b50b Firmware 2026-06-02 6.5 Medium
A buffer overflow vulnerability in the UPnP DeletePortMapping() command in Zyxel VMG4005-B50B firmware versions through 5.13(ABRL.5.4)C0 could allow an adjacent attacker to trigger a temporary denial-of-service (DoS) condition affecting the UPnP function of the affected device.
CVE-2026-4795 1 Zyxel 4 Gs1200-5 Firmware, Gs1200-5hp Firmware, Gs1200-8 Firmware and 1 more 2026-05-27 6.5 Medium
A missing authorization vulnerability in Zyxel GS1200-5v3 firmware versions through 1.00(ACPS.2)C0, GS1200-8v3 firmware versions through 1.00(ACPT.2)C0,  GS1200-5HPv3 firmware versions through 1.00(ACPU.2)C0, GS1200-8HPv3 firmware versions through 1.00(ACPV.2)C0, and GS1200-10v3 firmware versions through 1.00(ACPW.2)C0 could allow a LAN-based, unauthenticated attacker to read the system configuration from a log file via a crafted HTTP request.
CVE-2026-7256 1 Zyxel 2 Wre6505, Wre6505 Firmware 2026-05-16 8.8 High
** UNSUPPORTED WHEN ASSIGNED ** A command injection vulnerability in the CGI program of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow an adjacent attacker on the LAN to execute operating system (OS) commands on a vulnerable device by sending a crafted HTTP request.
CVE-2026-7257 1 Zyxel 2 Wre6505, Wre6505 Firmware 2026-05-16 4.4 Medium
** UNSUPPORTED WHEN ASSIGNED ** An insecure storage of sensitive information vulnerability in the configuration file of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow a local attacker with administrator privileges to download and decrypt a backup configuration file.
CVE-2026-7287 1 Zyxel 2 Nwa1100-n, Nwa1100-n Firmware 2026-05-16 7.5 High
** UNSUPPORTED WHEN ASSIGNED ** A buffer overflow vulnerability in the formWep(), formWlAc(), formPasswordSetup(), formUpgradeCert(), and formDelcert() functions of the “webs” binary in Zyxel NWA1100-N customized firmware version 1.00(AACE.1)C0 could allow an attacker to trigger a denial-of-service (DoS) condition by sending a crafted HTTP request to a vulnerable device.
CVE-2026-7255 1 Zyxel 2 Wre6505, Wre6505 Firmware 2026-05-13 6.5 Medium
** UNSUPPORTED WHEN ASSIGNED ** An improper restriction of excessive authentication attempts vulnerability in the web management interface of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow an adjacent attacker on the LAN to brute-force the password and bypass authentication.
CVE-2026-0711 1 Zyxel 1 Dx3300-t0 Firmware 2026-04-28 6.8 Medium
A post-authentication command injection vulnerability in the EasyMesh-related APIs of Zyxel DX3300-T0 firmware versions through 5.50(ABVY.7.1)C0 could allow an authenticated, adjacent attacker with administrator privileges to execute OS commands on an affected device.
CVE-2026-1460 1 Zyxel 2 Dx3301-t0 Firmware, Ex3301-t0 Firmware 2026-04-28 7.2 High
A post-authentication command injection vulnerability in the “DomainName” parameter of the DHCP configuration file in Zyxel DX3301-T0 and EX3301-T0 firmware versions through 5.50(ABVY.7.1)C0 could allow an authenticated attacker with administrator privileges to execute OS commands on an affected device.
CVE-2008-1529 1 Zyxel 3 Prestige 660, Prestige 661, Zynos 2026-04-23 N/A
ZyXEL Prestige routers have a minimum password length for the admin account that is too small, which makes it easier for remote attackers to guess passwords via brute force methods.
CVE-2008-1527 1 Zyxel 3 Prestige 660, Prestige 661, Zynos 2026-04-23 N/A
ZyXEL Prestige routers, including P-660, P-661, and P-662 models with firmware 3.40(PE9) and 3.40(AGD.2) through 3.40(AHQ.3), support authentication over HTTP via a hash string in the hiddenPassword field, which allows remote attackers to obtain access via a replay attack.
CVE-2008-1254 1 Zyxel 1 P-660hw 2026-04-23 N/A
Multiple cross-site request forgery (CSRF) vulnerabilities on the ZyXEL P-660HW series router allow remote attackers to (1) change DNS servers and (2) add keywords to the "bannedlist" via unspecified vectors.
CVE-2008-1160 1 Zyxel 2 Zywall 1050, Zywall 1050 Firmware 2026-04-23 9.8 Critical
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.
CVE-2007-1586 1 Zyxel 1 Zynos 2026-04-23 N/A
ZynOS 3.40 allows remote attackers to cause a denial of service (link restart) by sending a request for the name \M via the SMB Mail Slot Protocol.
CVE-2008-1528 1 Zyxel 3 Prestige 660, Prestige 661, Zynos 2026-04-23 N/A
ZyXEL Prestige routers, including P-660, P-661, and P-662 models with firmware 3.40(AGD.2) through 3.40(AHQ.3), allow remote authenticated users to obtain authentication data by making direct HTTP requests and then reading the HTML source, as demonstrated by a request for (1) RemMagSNMP.html, which discloses SNMP communities; or (2) WLAN.html, which discloses WEP keys.
CVE-2008-2167 1 Zyxel 1 Zywall 100 2026-04-23 N/A
Cross-site scripting (XSS) vulnerability in ZyXEL ZyWALL 100 allows remote attackers to inject arbitrary web script or HTML via the Referer header, which is not properly handled in a 404 Error page.
CVE-2008-1526 1 Zyxel 38 P-660h-61, P-660h-61 Firmware, P-660h-63 and 35 more 2026-04-23 7.5 High
ZyXEL Prestige routers, including P-660, P-661, and P-662 models with firmware 3.40(PE9) and 3.40(AGD.2) through 3.40(AHQ.3), do not use a salt when calculating an MD5 password hash, which makes it easier for attackers to crack passwords.
CVE-2007-6729 1 Zyxel 1 P-330w Router 2026-04-23 N/A
Cross-site scripting (XSS) vulnerability in the web management interface in the ZyXEL P-330W router allows remote attackers to inject arbitrary web script or HTML via the pingstr parameter and other unspecified vectors.
CVE-2007-4318 1 Zyxel 2 Zynos, Zywall 2 2026-04-23 N/A
Cross-site scripting (XSS) vulnerability in Forms/General_1 in the management interface in ZyNOS firmware 3.62(WK.6) on the Zyxel Zywall 2 device allows remote authenticated administrators to inject arbitrary web script or HTML via the sysSystemName parameter.
CVE-2008-1523 1 Zyxel 3 Prestige 660, Prestige 661, Zynos 2026-04-23 N/A
ZyXEL Prestige routers, including P-660, P-661, and P-662 models with firmware 3.40(AGD.2) through 3.40(AHQ.3), allow remote authenticated users to obtain ISP and Dynamic DNS credentials by sending a direct request for (1) WAN.html, (2) wzPPPOE.html, and (3) rpDyDNS.html, and then reading the HTML source.