CVE-2023-28768
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)…
Does this matter?
Lower severity and a low EPSS score (0.30%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 6.5 MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.30% probability · 23th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-755
- Affected
- zyxel/xgs2220-30 firmware · zyxel/xgs2220-30f firmware · zyxel/xgs2220-30hp firmware · zyxel/xgs2220-54 firmware · zyxel/xgs2220-54fp firmware · zyxel/xgs2220-54hp firmware · zyxel/xmg1930-30 firmware · zyxel/xmg1930-30hp firmware · zyxel/xs1930-10 firmware · zyxel/xs1930-12f firmware · zyxel/xs1930-12hp firmware
- Source
- security@zyxel.com.tw
References
- https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-dos-vulnerability-of-xgs2220-xmg1930-and-xs1930-series-switchesPatch, Vendor Advisory
- https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-dos-vulnerability-of-xgs2220-xmg1930-and-xs1930-series-switchesPatch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.