CVE-2023-28768 — MEDIUM (6.5)

Vulnerability Description

Improper frame handling in the Zyxel XGS2220-30 firmware version V4.80(ABXN.1), XMG1930-30 firmware version V4.80(ACAR.1), and XS1930-10 firmware version V4.80(ABQE.1) could allow an unauthenticated LAN-based attacker to cause denial-of-service (DoS) conditions by sending crafted frames to an affected switch.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Zyxel	Xgs2220-30 Firmware	4.80\(abxn.1\)
Zyxel	Xgs2220-30	-
Zyxel	Xgs2220-30F Firmware	4.80\(abye.1\)
Zyxel	Xgs2220-30F	-
Zyxel	Xgs2220-30Hp Firmware	4.80\(abxo.1\)
Zyxel	Xgs2220-30Hp	-
Zyxel	Xgs2220-54 Firmware	4.80\(abxp.1\)
Zyxel	Xgs2220-54	-
Zyxel	Xgs2220-54Fp Firmware	4.80\(acce.1\)
Zyxel	Xgs2220-54Fp	-
Zyxel	Xgs2220-54Hp Firmware	4.80\(abxq.1\)
Zyxel	Xgs2220-54Hp	-
Zyxel	Xmg1930-30 Firmware	4.80\(acar.1\)
Zyxel	Xmg1930-30	-
Zyxel	Xmg1930-30Hp Firmware	4.80\(acas.1\)
Zyxel	Xmg1930-30Hp	-
Zyxel	Xs1930-10 Firmware	4.80\(abqe.1\)
Zyxel	Xs1930-10	-
Zyxel	Xs1930-12F Firmware	4.80\(abzv.1\)
Zyxel	Xs1930-12F	-

Related Weaknesses (CWE)

CWE-755

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisPatchVendor Advisory
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisPatchVendor Advisory

FAQ

What is CVE-2023-28768?

CVE-2023-28768 is a vulnerability with a CVSS score of 6.5 (MEDIUM). Improper frame handling in the Zyxel XGS2220-30 firmware version V4.80(ABXN.1), XMG1930-30 firmware version V4.80(ACAR.1), and XS1930-10 firmware version V4.80(ABQE.1) could allow an unauthenticated L...

How severe is CVE-2023-28768?

CVE-2023-28768 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-28768?

Check the references section above for vendor advisories and patch information. Affected products include: Zyxel Xgs2220-30 Firmware, Zyxel Xgs2220-30, Zyxel Xgs2220-30F Firmware, Zyxel Xgs2220-30F, Zyxel Xgs2220-30Hp Firmware.