Search Results (324 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2017-18368 2 Billion, Zyxel 6 5200w-t, 5200w-t Firmware, P660hn-t1a V1 and 3 more 2025-07-30 9.8 Critical
The ZyXEL P660HN-T1A v1 TCLinux Fw $7.3.15.0 v001 / 3.40(ULM.0)b31 router distributed by TrueOnline has a command injection vulnerability in the Remote System Log forwarding function, which is accessible by an unauthenticated user. The vulnerability is in the ViewLog.asp page and can be exploited through the remote_host parameter.
CVE-2023-28771 1 Zyxel 38 Atp100, Atp100 Firmware, Atp100w and 35 more 2025-07-30 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-2023-33010 1 Zyxel 46 Atp100, Atp100 Firmware, Atp100w and 43 more 2025-07-30 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-2023-27992 1 Zyxel 6 Nas326, Nas326 Firmware, Nas540 and 3 more 2025-07-30 9.8 Critical
The pre-authentication command injection vulnerability in the Zyxel NAS326 firmware versions prior to V5.21(AAZF.14)C0, NAS540 firmware versions prior to V5.21(AATB.11)C0, and NAS542 firmware versions prior to V5.21(ABAG.11)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands remotely by sending a crafted HTTP request.
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-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.
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-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-2017-15226 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-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-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-2022-38546 1 Zyxel 2 Nbg7510, Nbg7510 Firmware 2025-04-15 5.3 Medium
A DNS misconfiguration was found in Zyxel NBG7510 firmware versions prior to V1.00(ABZY.3)C0, which could allow an unauthenticated attacker to access the DNS server when the device is switched to the AP mode.
CVE-2016-1348 6 Cisco, Netgear, Samsung and 3 more 6 Ios Xe, Jr6150 Firmware, X14j Firmware and 3 more 2025-04-12 N/A
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-2016-1349 7 Cisco, Intel, Netgear and 4 more 7 Ios Xe, Core I5-9400f Firmware, Jr6150 Firmware and 4 more 2025-04-12 N/A
The Smart Install client implementation in Cisco IOS 12.2, 15.0, and 15.2 and IOS XE 3.2 through 3.7 allows remote attackers to cause a denial of service (device reload) via crafted image list parameters in a Smart Install packet, aka Bug ID CSCuv45410.
CVE-2016-1350 6 Cisco, Lenovo, Samsung and 3 more 6 Ios Xe, Thinkcentre E75s Firmware, X14j Firmware and 3 more 2025-04-12 N/A
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.