Vulnerabilities (CVE)

Filtered by vendor Zyxel Subscribe
Total 303 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2020-25014 1 Zyxel 52 Access Points Firmware, Nwa110ax, Nwa1123-ac Hd and 49 more 2024-12-12 7.5 HIGH 9.8 CRITICAL
A stack-based buffer overflow in fbwifi_continue.cgi on Zyxel UTM and VPN series of gateways running firmware version V4.30 through to V4.55 allows remote unauthenticated attackers to execute arbitrary code via a crafted http packet.
CVE-2022-45439 1 Zyxel 2 Ax7501-b0, Ax7501-b0 Firmware 2024-12-06 N/A 6.5 MEDIUM
A pair of spare WiFi credentials is stored in the configuration file of the Zyxel AX7501-B0 firmware prior to V5.17(ABPC.3)C0 in cleartext. An unauthenticated attacker could use the credentials to access the WLAN service if the configuration file has been retrieved from the device by leveraging another known vulnerability.
CVE-2022-45441 1 Zyxel 2 Nbg-418n, Nbg-418n Firmware 2024-12-06 N/A 6.1 MEDIUM
A cross-site scripting (XSS) vulnerability in Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.13)C0, which could allow an attacker to store malicious scripts in the Logs page of the GUI on a vulnerable device. A successful XSS attack could force an authenticated user to execute the stored malicious scripts and then result in a denial-of-service (DoS) condition when the user visits the Logs page of the GUI on the device.
CVE-2024-9677 1 Zyxel 6 Uos, Usg Flex 100h, Usg Flex 200h and 3 more 2024-12-05 N/A 7.8 HIGH
The insufficiently protected credentials vulnerability in the CLI command of the USG FLEX H series uOS firmware version V1.21 and earlier versions could allow an authenticated local attacker to gain privilege escalation by stealing the authentication token of a login administrator. Note that this attack could be successful only if the administrator has not logged out.
CVE-2024-11667 1 Zyxel 18 Atp, Atp100, Atp100w and 15 more 2024-12-05 N/A 9.8 CRITICAL
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-2024-8881 1 Zyxel 20 Gs1900-10hp, Gs1900-10hp Firmware, Gs1900-16 and 17 more 2024-11-14 N/A 6.8 MEDIUM
A post-authentication command injection vulnerability in the CGI program in the Zyxel GS1900-48 switch firmware version V2.80(AAHN.1)C0 and earlier could allow an authenticated, LAN-based attacker with administrator privileges to execute some operating system (OS) commands on an affected device by sending a crafted HTTP request.
CVE-2024-8882 1 Zyxel 20 Gs1900-10hp, Gs1900-10hp Firmware, Gs1900-16 and 17 more 2024-11-14 N/A 4.5 MEDIUM
A buffer overflow vulnerability in the CGI program in the Zyxel GS1900-48 switch firmware version V2.80(AAHN.1)C0 and earlier could allow an authenticated, LAN-based attacker with administrator privileges to cause denial of service (DoS) conditions via a crafted URL.
CVE-2024-38267 1 Zyxel 82 Ax7501-b1, Ax7501-b1 Firmware, Dx3300-t0 and 79 more 2024-09-30 N/A 4.9 MEDIUM
An improper restriction of operations within the bounds of a memory buffer in the IPv6 address parser of the Zyxel VMG8825-T50K firmware versions through 5.50(ABOM.8)C0 could allow an authenticated attacker with administrator privileges to cause potential memory corruptions, resulting in a thread crash on an affected device.
CVE-2024-38268 1 Zyxel 82 Ax7501-b1, Ax7501-b1 Firmware, Dx3300-t0 and 79 more 2024-09-30 N/A 4.9 MEDIUM
An improper restriction of operations within the bounds of a memory buffer in the MAC address parser of the Zyxel VMG8825-T50K firmware versions through 5.50(ABOM.8)C0 could allow an authenticated attacker with administrator privileges to cause potential memory corruptions, resulting in a thread crash on an affected device.
CVE-2024-38269 1 Zyxel 82 Ax7501-b1, Ax7501-b1 Firmware, Dx3300-t0 and 79 more 2024-09-30 N/A 4.9 MEDIUM
An improper restriction of operations within the bounds of a memory buffer in the USB file-sharing handler of the Zyxel VMG8825-T50K firmware versions through 5.50(ABOM.8)C0 could allow an authenticated attacker with administrator privileges to cause potential memory corruptions, resulting in a thread crash on an affected device.
CVE-2024-38270 1 Zyxel 20 Gs1900-10hp, Gs1900-10hp Firmware, Gs1900-16 and 17 more 2024-09-18 N/A 6.5 MEDIUM
An insufficient entropy vulnerability caused by the improper use of a randomness function with low entropy for web authentication tokens generation exists in the Zyxel GS1900-10HP firmware version V2.80(AAZI.0)C0. This vulnerability could allow a LAN-based attacker a slight chance to gain a valid session token if multiple authenticated sessions are alive.
CVE-2024-7261 1 Zyxel 58 Nwa110ax, Nwa110ax Firmware, Nwa1123-ac Pro and 55 more 2024-09-13 N/A 9.8 CRITICAL
The improper neutralization of special elements in the parameter "host" in the CGI program of Zyxel NWA1123ACv3 firmware version 6.70(ABVT.4) and earlier, WAC500 firmware version 6.70(ABVS.4) and earlier, WAX655E firmware version 7.00(ACDO.1) and earlier, WBE530 firmware version 7.00(ACLE.1) and earlier, and USG LITE 60AX firmware version V2.00(ACIP.2) could allow an unauthenticated attacker to execute OS commands by sending a crafted cookie to a vulnerable device.
CVE-2024-5412 1 Zyxel 100 Ax7501-b0, Ax7501-b0 Firmware, Ax7501-b1 and 97 more 2024-09-06 N/A 7.5 HIGH
A buffer overflow vulnerability in the library "libclinkc" of the Zyxel VMG8825-T50K firmware version 5.50(ABOM.8)C0 could allow an unauthenticated attacker to cause denial of service (DoS) conditions by sending a crafted HTTP request to a vulnerable device.
CVE-2023-43314 1 Zyxel 2 Pmg2005-t20b, Pmg2005-t20b Firmware 2024-08-02 N/A 7.5 HIGH
** UNSUPPORTED WHEN ASSIGNED **The buffer overflow vulnerability in the Zyxel PMG2005-T20B firmware version V1.00(ABNK.2)b11_C0 could allow an unauthenticated attacker to cause a denial of service condition via a crafted uid.
CVE-2020-12695 21 Asus, Broadcom, Canon and 18 more 217 Rt-n11, Adsl, Selphy Cp1200 and 214 more 2024-04-08 7.8 HIGH 7.5 HIGH
The Open Connectivity Foundation UPnP specification before 2020-04-17 does not forbid the acceptance of a subscription request with a delivery URL on a different network segment than the fully qualified event-subscription URL, aka the CallStranger issue.
CVE-2008-1526 1 Zyxel 38 P-660h-61, P-660h-61 Firmware, P-660h-63 and 35 more 2024-02-14 5.0 MEDIUM 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-2006-2562 1 Zyxel 1 P-335wt Router 2024-02-14 7.5 HIGH N/A
ZyXEL P-335WT router allows remote attackers to bypass access restrictions and conduct unauthorized operations via a UPnP request with a modified InternalClient parameter, which is not validated, as demonstrated by using AddPortMapping to forward arbitrary traffic.
CVE-2008-1160 1 Zyxel 2 Zywall 1050, Zywall 1050 Firmware 2024-02-14 7.5 HIGH 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-2022-26531 1 Zyxel 130 Atp100, Atp100 Firmware, Atp100w and 127 more 2024-02-09 4.6 MEDIUM 7.8 HIGH
Multiple improper input validation flaws were identified in some CLI commands of Zyxel USG/ZyWALL series firmware versions 4.09 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP series firmware versions 4.32 through 5.21, VPN series firmware versions 4.30 through 5.21, NSG series firmware versions 1.00 through 1.33 Patch 4, NXC2500 firmware version 6.10(AAIG.3) and earlier versions, NAP203 firmware version 6.25(ABFA.7) and earlier versions, NWA50AX firmware version 6.25(ABYW.5) and earlier versions, WAC500 firmware version 6.30(ABVS.2) and earlier versions, and WAX510D firmware version 6.30(ABTF.2) and earlier versions, that could allow a local authenticated attacker to cause a buffer overflow or a system crash via a crafted payload.
CVE-2023-5372 1 Zyxel 4 Nas326, Nas326 Firmware, Nas542 and 1 more 2024-02-05 N/A 7.2 HIGH
The post-authentication command injection vulnerability in Zyxel NAS326 firmware versions through V5.21(AAZF.15)C0 and NAS542 firmware versions through V5.21(ABAG.12)C0 could allow an authenticated attacker with administrator privileges to execute some operating system (OS) commands by sending a crafted query parameter attached to the URL of an affected device’s web management interface.