CVE-2023-28768

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.11%
Vendor Advisory zyxel.com
Affected: Zyxel XGS2220-30 firmware
Affected: Zyxel XMG1930-30 firmware
Affected: Zyxel XS1930-10 firmware
Published at:
Updated at:

References

Link Tags
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-dos-vulnerability-of-xgs2220-xmg1930-and-xs1930-series-switches patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-28768?
CVE-2023-28768 has been scored as a medium severity vulnerability.
How to fix CVE-2023-28768?
To fix CVE-2023-28768, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-28768 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-28768 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-28768?
CVE-2023-28768 affects Zyxel XGS2220-30 firmware, Zyxel XMG1930-30 firmware, Zyxel XS1930-10 firmware.
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