CVE-2022-43393
high-risk
Published 2023-01-11
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.
Do I need to act?
~
1.3% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.2/10
High
NETWORK
/ LOW complexity
Affected Products (20)
Gs1350-6Hp Firmware
Gs1350-12Hp Firmware
Gs1350-18Hp Firmware
Gs1350-26Hp Firmware
Gs1915-8 Firmware
Gs1915-8Ep Firmware
Gs1915-24E Firmware
Gs1915-24Ep Firmware
Gs1920-24V2 Firmware
Gs1920-48V2 Firmware
Gs1920-24Hpv2 Firmware
Gs1920-48Hpv2 Firmware
Gs2220-10 Firmware
Gs2220-28 Firmware
Gs2220-50 Firmware
Gs2220-10Hp Firmware
Gs2220-28Hp Firmware
Gs2220-50Hp Firmware
Xgs1930-28 Firmware
Xgs1930-28Hp Firmware
Affected Vendors
References (2)
57
/ 100
high-risk
Severity
28/34 · Critical
Exploitability
4/34 · Minimal
Exposure
25/34 · High