Filtered by vendor Zyxel
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Total
316 CVE
| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2023-28771 | 1 Zyxel | 38 Atp100, Atp100 Firmware, Atp100w and 35 more | 2025-10-27 | 9.8 Critical |
| Improper error message handling in Zyxel ZyWALL/USG series firmware versions 4.60 through 4.73, VPN series firmware versions 4.60 through 5.35, USG FLEX series firmware versions 4.60 through 5.35, and ATP series firmware versions 4.60 through 5.35, which could allow an unauthenticated attacker to execute some OS commands remotely by sending crafted packets to an affected device. | ||||
| CVE-2023-33009 | 1 Zyxel | 46 Atp100, Atp100 Firmware, Atp100w and 43 more | 2025-10-27 | 9.8 Critical |
| A buffer overflow vulnerability in the notification function in Zyxel ATP series firmware versions 4.60 through 5.36 Patch 1, USG FLEX series firmware versions 4.60 through 5.36 Patch 1, USG FLEX 50(W) firmware versions 4.60 through 5.36 Patch 1, USG20(W)-VPN firmware versions 4.60 through 5.36 Patch 1, VPN series firmware versions 4.60 through 5.36 Patch 1, ZyWALL/USG series firmware versions 4.60 through 4.73 Patch 1, could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and even a remote code execution on an affected device. | ||||
| CVE-2023-33010 | 1 Zyxel | 46 Atp100, Atp100 Firmware, Atp100w and 43 more | 2025-10-27 | 9.8 Critical |
| A buffer overflow vulnerability in the ID processing function in Zyxel ATP series firmware versions 4.32 through 5.36 Patch 1, USG FLEX series firmware versions 4.50 through 5.36 Patch 1, USG FLEX 50(W) firmware versions 4.25 through 5.36 Patch 1, USG20(W)-VPN firmware versions 4.25 through 5.36 Patch 1, VPN series firmware versions 4.30 through 5.36 Patch 1, ZyWALL/USG series firmware versions 4.25 through 4.73 Patch 1, could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and even a remote code execution on an affected device. | ||||
| CVE-2024-11667 | 1 Zyxel | 41 Atp, Atp100, Atp100 Firmware and 38 more | 2025-10-27 | 7.5 High |
| A directory traversal vulnerability in the web management interface of Zyxel ATP series firmware versions V5.00 through V5.38, USG FLEX series firmware versions V5.00 through V5.38, USG FLEX 50(W) series firmware versions V5.10 through V5.38, and USG20(W)-VPN series firmware versions V5.10 through V5.38 could allow an attacker to download or upload files via a crafted URL. | ||||
| CVE-2024-40890 | 1 Zyxel | 27 Sbg3300-n000, Sbg3300-n000 Firmware, Sbg3300-nb00 and 24 more | 2025-10-27 | 8.8 High |
| **UNSUPPORTED WHEN ASSIGNED** A post-authentication command injection vulnerability in the CGI program of the legacy DSL CPE Zyxel VMG4325-B10A firmware version 1.00(AAFR.4)C0_20170615 could allow an authenticated attacker to execute operating system (OS) commands on an affected device by sending a crafted HTTP POST request. | ||||
| CVE-2024-40891 | 1 Zyxel | 27 Sbg3300-n000, Sbg3300-n000 Firmware, Sbg3300-nb00 and 24 more | 2025-10-27 | 8.8 High |
| **UNSUPPORTED WHEN ASSIGNED** A post-authentication command injection vulnerability in the management commands of the legacy DSL CPE Zyxel VMG4325-B10A firmware version 1.00(AAFR.4)C0_20170615 could allow an authenticated attacker to execute operating system (OS) commands on an affected device via Telnet. | ||||
| CVE-2022-30525 | 1 Zyxel | 32 Atp100, Atp100 Firmware, Atp100w and 29 more | 2025-10-27 | 9.8 Critical |
| A OS command injection vulnerability in the CGI program of Zyxel USG FLEX 100(W) firmware versions 5.00 through 5.21 Patch 1, USG FLEX 200 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 500 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 700 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 50(W) firmware versions 5.10 through 5.21 Patch 1, USG20(W)-VPN firmware versions 5.10 through 5.21 Patch 1, ATP series firmware versions 5.10 through 5.21 Patch 1, VPN series firmware versions 4.60 through 5.21 Patch 1, which could allow an attacker to modify specific files and then execute some OS commands on a vulnerable device. | ||||
| CVE-2017-6884 | 1 Zyxel | 2 Emg2926, Emg2926 Firmware | 2025-10-22 | 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-2025-3577 | 1 Zyxel | 2 Amg1302-t10b, Amg1302-t10b Firmware | 2025-06-23 | 4.9 Medium |
| **UNSUPPORTED WHEN ASSIGNED** A path traversal vulnerability in the web management interface of the Zyxel AMG1302-T10B firmware version 2.00(AAJC.16)C0 could allow an authenticated attacker with administrator privileges to access restricted directories by sending a crafted HTTP request to an affected device. | ||||
| CVE-2023-35136 | 1 Zyxel | 20 Atp100, Atp100w, Atp200 and 17 more | 2025-06-05 | 5.5 Medium |
| An improper input validation vulnerability in the “Quagga” package of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an authenticated local attacker to access configuration files on an affected device. | ||||
| CVE-2022-34746 | 1 Zyxel | 20 Gs1900-10hp, Gs1900-10hp Firmware, Gs1900-16 and 17 more | 2025-05-29 | 5.9 Medium |
| An insufficient entropy vulnerability caused by the improper use of randomness sources with low entropy for RSA key pair generation was found in Zyxel GS1900 series firmware versions prior to V2.70. This vulnerability could allow an unauthenticated attacker to retrieve a private key by factoring the RSA modulus N in the certificate of the web administration interface. | ||||
| CVE-2022-40602 | 1 Zyxel | 2 Lte3301-m209, Lte3301-m209 Firmware | 2025-04-28 | 9.8 Critical |
| A flaw in the Zyxel LTE3301-M209 firmware verisons prior to V1.00(ABLG.6)C0 could allow a remote attacker to access the device using an improper pre-configured password if the remote administration feature has been enabled by an authenticated administrator. | ||||
| CVE-2022-40603 | 1 Zyxel | 38 Atp100, Atp100 Firmware, Atp100w and 35 more | 2025-04-23 | 4.7 Medium |
| A cross-site scripting (XSS) vulnerability in the CGI program of Zyxel ZyWALL/USG series firmware versions 4.30 through 4.72, VPN series firmware versions 4.30 through 5.31, USG FLEX series firmware versions 4.50 through 5.31, and ATP series firmware versions 4.32 through 5.31, which could allow an attacker to trick a user into visiting a crafted URL with the XSS payload. Then, the attacker could gain access to some browser-based information if the malicious script is executed on the victim’s browser. | ||||
| CVE-2016-10401 | 1 Zyxel | 2 Pk5001z, Pk5001z Firmware | 2025-04-20 | N/A |
| 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-2017-7964 | 1 Zyxel | 1 Wre6505 Firmware | 2025-04-20 | N/A |
| 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 | N/A |
| 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-2017-3216 | 5 Greenpacket, Huawei, Mada and 2 more | 28 Ox350, Ox350 Firmware, Bm2022 and 25 more | 2025-04-20 | N/A |
| 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-2015-7256 | 1 Zyxel | 50 C1000z, C1000z Firmware, Fr1000z and 47 more | 2025-04-20 | N/A |
| 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 | N/A |
| 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-2017-17901 | 1 Zyxel | 2 P-660hw, P-660hw Firmware | 2025-04-20 | N/A |
| 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. | ||||