Vulnerability Monitor

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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.

Published

2020-11-27T18:15:11.563

Last Modified

2024-12-12T16:23:25.593

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-787
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel zywall_110 - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel zywall_1100 - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel zywall_310 - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel usg_110 - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel usg_1100 - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel usg_1900 - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel usg_20w - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel usg_20w-vpn - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel usg_2200-vpn - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel usg_310 - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel usg_40 - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel usg_40w - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel usg_60 - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel usg_60w - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel usg110 - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel usg1100 - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel usg1900 - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel usg20-vpn - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel usg20w-vpn - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel usg210 - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel usg2200-vpn - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel usg310 - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel usg40 - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel usg40w - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel usg60 - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel usg60w - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel vpn100 - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel vpn300 - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel vpn50 - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel usg_flex_100 - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel usg_flex_200 - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel usg_flex_500 - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel usg_flex_100w - No
Operating System zyxel zld ≤ 4.55 Yes
Hardware zyxel usg_flex_700 - No
Operating System zyxel access_points_firmware ≤ 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Hardware zyxel nwa1123-ac_hd - No
Operating System zyxel access_points_firmware ≤ 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Hardware zyxel nwa1123-ac_pro - No
Operating System zyxel access_points_firmware ≤ 6.10 Yes
Operating System zyxel access_points_firmware - Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Hardware zyxel nwa1123-acv2 - No
Operating System zyxel access_points_firmware ≤ 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Hardware zyxel wax510d - No
Operating System zyxel access_points_firmware ≤ 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Hardware zyxel wac5302d-s - No
Operating System zyxel access_points_firmware ≤ 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Hardware zyxel nwa5120 - No
Operating System zyxel access_points_firmware ≤ 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Hardware zyxel nwa5301-nj - No
Operating System zyxel access_points_firmware ≤ 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Hardware zyxel wax610d - No
Operating System zyxel access_points_firmware ≤ 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Hardware zyxel wax650s - No
Operating System zyxel access_points_firmware ≤ 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Hardware zyxel wac6550 - No
Operating System zyxel access_points_firmware ≤ 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Hardware zyxel wac6303d-s - No
Operating System zyxel access_points_firmware ≤ 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Hardware zyxel wac6500 - No
Operating System zyxel access_points_firmware ≤ 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Hardware zyxel wac6100 - No
Operating System zyxel access_points_firmware ≤ 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Hardware zyxel nwa210ax - No
Operating System zyxel access_points_firmware ≤ 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Hardware zyxel nwa110ax - No
Operating System zyxel access_points_firmware ≤ 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Operating System zyxel access_points_firmware 6.10 Yes
Hardware zyxel nwa1302-ac - No
References