CVEvulnerability
CVE-2020-25014
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2020-11-27
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-787
Description
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.
Affected configurations
• zyxel zld (>= 4.30 <= 4.55)
• zyxel access points firmware (<= 6.10)
• zyxel access points firmware 6.10
• zyxel access points firmware
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://businessforum.zyxel.com/categories/security-news-and-release Release Notes, Vendor Advisory
- https://www.zyxel.com/support/Zyxel-security-advisory-for-buffer-overflow-vulnerability.shtml Vendor Advisory
- https://businessforum.zyxel.com/categories/security-news-and-release Release Notes, Vendor Advisory
- https://www.zyxel.com/support/Zyxel-security-advisory-for-buffer-overflow-vulnerability.shtml Vendor Advisory