What is CVE-2020-25014?

CVE-2020-25014 is a critical-severity vulnerability in Zyxel Access_points_firmware, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-11-27.

How severe is CVE-2020-25014?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Zyxel Access_points_firmware

CVE-2020-25014

A stack-based buffer overflow in fbwifi_continue.cgi on Zyxel UTM and VPN series of gateways running firmware version V4.30 through to V4.55 allows remote unauthenticated attackers to execute arbitrary code via a crafted http packet.

Vulnerability class: Buffer Overflow

EPSS: 0.043 (90.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2020-25014?: CVE-2020-25014 is a critical-severity vulnerability in Zyxel Access_points_firmware, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-11-27.
How severe is CVE-2020-25014?: Critical severity. CVSS v3 base score is 9.8 out of 10.