CVE-2022-43389

HIGH

Zyxel NR7101 <V1.15(ACCC.3)C0 - Buffer Overflow

Title source: llm
STIX 2.1

Description

A buffer overflow vulnerability in the library of the web server in Zyxel NR7101 firmware prior to V1.15(ACCC.3)C0, which could allow an unauthenticated attacker to execute some OS commands or to cause denial-of-service (DoS) conditions on a vulnerable device.

Scores

CVSS v3 8.6
EPSS 0.0145
EPSS Percentile 80.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-120
Status published
Products (17)
zyxel/ep240p_firmware
zyxel/lte3202-m437_firmware < 1.00\(abwf.1\)c0
zyxel/lte3316-m604_firmware < 2.00\(abmp.6\)c0
zyxel/lte7480-m804_firmware < 1.00\(abra.6\)c0
zyxel/lte7490-m904_firmware < 1.00\(abqy.5\)c0
zyxel/nebula_fwa510_firmware < 1.15\(acgd.3\)c0
zyxel/nebula_fwa710_firmware < 1.15\(acgc.3\)c0
zyxel/nebula_nr7101_firmware < 1.15\(accc.3\)c0
zyxel/nr5103_firmware < 4.19\(abyc.3\)c0
zyxel/nr5103e_firmware
... and 7 more
Published Jan 11, 2023
Tracked Since Feb 18, 2026