CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2022-43389
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.
Severity
- EPSS
- 0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-31)
- CWE
- CWE-120
- Published
- Modified
- Record from
- the NVD, synced
Affected
- zyxel:ep240p_firmware
- zyxel:lte3202-m437_firmware
- zyxel:lte3316-m604_firmware
- zyxel:lte7480-m804_firmware
- zyxel:lte7490-m904_firmware
- zyxel:nebula_fwa510_firmware
- zyxel:nebula_fwa710_firmware
- zyxel:nebula_nr7101_firmware
- zyxel:nr5103_firmware
- zyxel:nr5103e_firmware
- zyxel:nr7101_firmware
- zyxel:nr7102_firmware
- zyxel:nr7103_firmware
- zyxel:pm7320-b0_firmware
- zyxel:pmg5317-t20b_firmware
- zyxel:pmg5617ga_firmware
- zyxel:pmg5622ga_firmware
References
- https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-and-buffer-overflow-vulnerabilities-of-cpe-fiber-onts-and-wifi-extenders
- https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-and-buffer-overflow-vulnerabilities-of-cpe-fiber-onts-and-wifi-extenders