Critical severity · published Feb 21, 2023
CVE-2023-22920
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
9.8
CVSS
0.8%
EPSS
No
On KEV
Description
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. A remote attacker could leverage this vulnerability to access an affected device using Telnet.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LF
Lte3202-m437 Firmware · Zyxel
1.00(abwf.1)c0 · source: NVD
LF
Lte3316-m604 Firmware · Zyxel
2.00(abmp.6)c0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-22920
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-22920
Vendor Advisory
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-security-misconfiguration-vulnerability-of-4g-lte-indoor-routers
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