Paper/Archive/CVE-2022-43389

CVE-2022-43389

Zyxel NR7101 firmware — 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…

EPSS 0.6%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (NVD)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 50.1.501 × 2010.0 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

NR7101 firmware< V1.15(ACCC.3)C0–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Zyxel (CNA)8.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: partial

References

refzyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-and-buffer-overflow-vulnerabilities-of-cpe-fiber-onts-and-wifi-extenders