Vulnerabilities > Zyxel > Critical

DATE CVE VULNERABILITY TITLE RISK
2024-11-27 CVE-2024-11667 Path Traversal vulnerability in Zyxel ZLD
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.
network
low complexity
zyxel CWE-22
critical
9.8
2024-09-03 CVE-2024-7261 OS Command Injection vulnerability in Zyxel products
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.
network
low complexity
zyxel CWE-78
critical
9.8
2023-05-24 CVE-2023-33010 Classic Buffer Overflow vulnerability in Zyxel products
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.
network
low complexity
zyxel CWE-120
critical
9.8
2023-04-27 CVE-2023-28769 Classic Buffer Overflow vulnerability in Zyxel Dx5401-B0 Firmware
The buffer overflow vulnerability in the library “libclinkc.so” of the web server “zhttpd” in Zyxel DX5401-B0 firmware versions prior to V5.17(ABYO.1)C0 could allow a remote unauthenticated attacker to execute some OS commands or to cause denial-of-service (DoS) conditions on a vulnerable device.
network
low complexity
zyxel CWE-120
critical
9.8
2023-02-21 CVE-2023-22920 Unspecified vulnerability in Zyxel Lte3202-M437 Firmware and Lte3316-M604 Firmware
A security misconfiguration vulnerability exists in the Zyxel LTE3316-M604 firmware version V2.00(ABMP.6)C0 due to a factory default misconfiguration intended for testing purposes.
network
low complexity
zyxel
critical
9.8
2023-01-11 CVE-2022-43389 Classic Buffer Overflow vulnerability in Zyxel products
A buffer overflow vulnerability in the library of the web server in Zyxel NR7101 firmware prior to V1.15(ACCC.3)C0, which could allow an unauthenticated attacker to execute some OS commands or to cause denial-of-service (DoS) conditions on a vulnerable device.
network
low complexity
zyxel CWE-120
critical
9.8
2022-12-21 CVE-2022-38546 Unspecified vulnerability in Zyxel Nbg7510 Firmware 1.00(Abzy.2)C0
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.
network
low complexity
zyxel
critical
9.8
2022-11-22 CVE-2022-40602 Use of Hard-coded Credentials vulnerability in Zyxel Lte3301-M209 Firmware 1.00(Ablg.2)C0/1.00(Ablg.4)C0
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.
network
low complexity
zyxel CWE-798
critical
9.8
2022-09-29 CVE-2020-15331 Missing Encryption of Sensitive Data vulnerability in Zyxel Cloudcnm Secumanager 3.1.0/3.1.1
Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a hardcoded OAUTH_SECRET_KEY in /opt/axess/etc/default/axess.
network
low complexity
zyxel CWE-311
critical
9.8
2022-09-29 CVE-2020-15332 Cleartext Storage of Sensitive Information vulnerability in Zyxel Cloudcnm Secumanager 3.1.0/3.1.1
Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has weak /opt/axess/etc/default/axess permissions.
network
low complexity
zyxel CWE-312
critical
9.8