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HIGH · 7.5

CVE-2023-22922

A buffer overflow vulnerability in the Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.14)C0 could allow a remote unauthenticated attacker to cause DoS conditions by sending crafted packets if...

Vulnerability Description

A buffer overflow vulnerability in the Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.14)C0 could allow a remote unauthenticated attacker to cause DoS conditions by sending crafted packets if Telnet is enabled on a vulnerable device.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
ZyxelNbg-418N Firmware<= 1.00\(aarp.13\)c0
ZyxelNbg-418Nv2

Related Weaknesses (CWE)

CWE-120

References

FAQ

What is CVE-2023-22922?

CVE-2023-22922 is a vulnerability with a CVSS score of 7.5 (HIGH). A buffer overflow vulnerability in the Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.14)C0 could allow a remote unauthenticated attacker to cause DoS conditions by sending crafted packets if...

How severe is CVE-2023-22922?

CVE-2023-22922 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-22922?

Check the references section above for vendor advisories and patch information. Affected products include: Zyxel Nbg-418N Firmware, Zyxel Nbg-418N.