Vulnerabilities > Zyxel

DATE CVE VULNERABILITY TITLE RISK
2022-09-29 CVE-2020-15346 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 /live/GLOBALS API with the CLOUDCNM key.
network
low complexity
zyxel CWE-311
5.3
2022-09-29 CVE-2020-15347 Insufficiently Protected Credentials vulnerability in Zyxel Cloudcnm Secumanager 3.1.0/3.1.1
Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has the q6xV4aW8bQ4cfD-b password for the axiros account.
network
low complexity
zyxel CWE-522
critical
9.8
2022-09-20 CVE-2022-34746 Insufficient Entropy vulnerability in Zyxel products
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.
network
high complexity
zyxel CWE-331
5.9
2022-09-06 CVE-2022-34747 Use of Externally-Controlled Format String vulnerability in Zyxel Nas326 Firmware 5.21/5.21(Aazf.7)C0
A format string vulnerability in Zyxel NAS326 firmware versions prior to V5.21(AAZF.12)C0 could allow an attacker to achieve unauthorized remote code execution via a crafted UDP packet.
network
low complexity
zyxel CWE-134
critical
9.8
2022-07-19 CVE-2022-2030 Path Traversal vulnerability in Zyxel products
A directory traversal vulnerability caused by specific character sequences within an improperly sanitized URL was identified in some CGI programs of Zyxel USG FLEX 100(W) firmware versions 4.50 through 5.30, USG FLEX 200 firmware versions 4.50 through 5.30, USG FLEX 500 firmware versions 4.50 through 5.30, USG FLEX 700 firmware versions 4.50 through 5.30, USG FLEX 50(W) firmware versions 4.16 through 5.30, USG20(W)-VPN firmware versions 4.16 through 5.30, ATP series firmware versions 4.32 through 5.30, VPN series firmware versions 4.30 through 5.30, USG/ZyWALL series firmware versions 4.11 through 4.72, that could allow an authenticated attacker to access some restricted files on a vulnerable device.
network
low complexity
zyxel CWE-22
6.5
2022-07-19 CVE-2022-30526 Improper Privilege Management vulnerability in Zyxel products
A privilege escalation vulnerability was identified in the CLI command of Zyxel USG FLEX 100(W) firmware versions 4.50 through 5.30, USG FLEX 200 firmware versions 4.50 through 5.30, USG FLEX 500 firmware versions 4.50 through 5.30, USG FLEX 700 firmware versions 4.50 through 5.30, USG FLEX 50(W) firmware versions 4.16 through 5.30, USG20(W)-VPN firmware versions 4.16 through 5.30, ATP series firmware versions 4.32 through 5.30, VPN series firmware versions 4.30 through 5.30, USG/ZyWALL series firmware versions 4.09 through 4.72, which could allow a local attacker to execute some OS commands with root privileges in some directories on a vulnerable device.
local
low complexity
zyxel CWE-269
7.8
2022-06-09 CVE-2022-0823 Unspecified vulnerability in Zyxel products
An improper control of interaction frequency vulnerability in Zyxel GS1200 series switches could allow a local attacker to guess the password by using a timing side-channel attack.
local
low complexity
zyxel
6.2
2022-05-24 CVE-2022-26531 Improper Input Validation vulnerability in Zyxel products
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.
local
low complexity
zyxel CWE-20
7.8
2022-05-24 CVE-2022-26532 OS Command Injection vulnerability in Zyxel products
A argument injection vulnerability in the 'packet-trace' CLI command 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 execute arbitrary OS commands by including crafted arguments to the CLI command.
local
low complexity
zyxel CWE-78
7.8
2022-05-24 CVE-2022-0734 Cross-site Scripting vulnerability in Zyxel products
A cross-site scripting vulnerability was identified in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.35 through 4.70, USG FLEX series firmware versions 4.50 through 5.20, ATP series firmware versions 4.35 through 5.20, and VPN series firmware versions 4.35 through 5.20, that could allow an attacker to obtain some information stored in the user's browser, such as cookies or session tokens, via a malicious script.
network
low complexity
zyxel CWE-79
6.1