Vulnerability · Published Jan 11, 2023 · Assigned by Zyxel
CVE-2022-43393
High 8.2
In plain English
A high-severity security flaw in GS1920-24v2 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 0.6% (higher than 48% of all known vulnerabilities).
Severity (CVSS 3.1)8.2High
Exploit odds (30 days)0.6%top 52.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An improper check for unusual or exceptional conditions in the HTTP request processing function of Zyxel GS1920-24v2 firmware prior to V4.70(ABMH.8)C0, which could allow an unauthenticated attacker to corrupt the contents of the memory and result in a denial-of-service (DoS) condition on a vulnerable device.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Zyxel | GS1920-24v2 firmware | < V4.70(ABMH.8)C0 |
Weakness: CWE-754 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H