Vulnerability · Published Aug 14, 2023 · Assigned by Zyxel
CVE-2023-28768
Medium 6.5
In plain English
A medium-severity security flaw in XGS2220-30 firmware from Zyxel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 76.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Zyxel | XGS2220-30 firmware | V4.80(ABXN.1) |
| Zyxel | XMG1930-30 firmware | V4.80(ACAR.1) |
| Zyxel | XS1930-10 firmware | V4.80(ABQE.1) |
Weakness: CWE-755 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H