Vulnerability Monitor

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CVE-2022-26531

Multiple improper input validation flaws were identified in some CLI commands of Zyxel USG/ZyWALL series firmware versions 4.09 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP series firmware versions 4.32 through 5.21, VPN series firmware versions 4.30 through 5.21, NSG series firmware versions 1.00 through 1.33 Patch 4, NXC2500 firmware version 6.10(AAIG.3) and earlier versions, NAP203 firmware version 6.25(ABFA.7) and earlier versions, NWA50AX firmware version 6.25(ABYW.5) and earlier versions, WAC500 firmware version 6.30(ABVS.2) and earlier versions, and WAX510D firmware version 6.30(ABTF.2) and earlier versions, that could allow a local authenticated attacker to cause a buffer overflow or a system crash via a crafted payload.

Published

2022-05-24T06:15:09.297

Last Modified

2024-11-21T06:54:07.470

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.1 (MEDIUM)

CVSSv2 Vector

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

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

3.9

Impact Score

6.4

Weaknesses
  • Type: Secondary
    CWE-20
  • Type: Primary
    CWE-20
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System zyxel vpn100_firmware ≤ 5.21 Yes
Hardware zyxel vpn100 - No
Operating System zyxel vpn1000_firmware ≤ 5.21 Yes
Hardware zyxel vpn1000 - No
Operating System zyxel vpn300_firmware ≤ 5.21 Yes
Hardware zyxel vpn300 - No
Operating System zyxel vpn50_firmware ≤ 5.21 Yes
Hardware zyxel vpn50 - No
Operating System zyxel atp100_firmware ≤ 5.21 Yes
Hardware zyxel atp100 - No
Operating System zyxel atp100w_firmware ≤ 5.21 Yes
Hardware zyxel atp100w - No
Operating System zyxel atp200_firmware ≤ 5.21 Yes
Hardware zyxel atp200 - No
Operating System zyxel atp500_firmware ≤ 5.21 Yes
Hardware zyxel atp500 - No
Operating System zyxel atp700_firmware ≤ 5.21 Yes
Hardware zyxel atp700 - No
Operating System zyxel atp800_firmware ≤ 5.21 Yes
Hardware zyxel atp800 - No
Operating System zyxel usg_110_firmware ≤ 4.71 Yes
Hardware zyxel usg_110 - No
Operating System zyxel usg_1100_firmware ≤ 4.71 Yes
Hardware zyxel usg_1100 - No
Operating System zyxel usg_1900_firmware ≤ 4.71 Yes
Hardware zyxel usg_1900 - No
Operating System zyxel usg_20w_firmware ≤ 4.71 Yes
Hardware zyxel usg_20w - No
Operating System zyxel usg_20w-vpn_firmware ≤ 4.71 Yes
Hardware zyxel usg_20w-vpn - No
Operating System zyxel usg_2200-vpn_firmware ≤ 4.71 Yes
Hardware zyxel usg_2200-vpn - No
Operating System zyxel usg_310_firmware ≤ 4.71 Yes
Hardware zyxel usg_310 - No
Operating System zyxel usg_40_firmware ≤ 4.71 Yes
Hardware zyxel usg_40 - No
Operating System zyxel usg_40w_firmware ≤ 4.71 Yes
Hardware zyxel usg_40w - No
Operating System zyxel usg_60_firmware ≤ 4.71 Yes
Hardware zyxel usg_60 - No
Operating System zyxel usg_60w_firmware ≤ 4.71 Yes
Hardware zyxel usg_60w - No
Operating System zyxel usg_flex_100_firmware ≤ 5.21 Yes
Hardware zyxel usg_flex_100 - No
Operating System zyxel usg_flex_100w_firmware ≤ 5.21 Yes
Hardware zyxel usg_flex_100w - No
Operating System zyxel usg_flex_200_firmware ≤ 5.21 Yes
Hardware zyxel usg_flex_200 - No
Operating System zyxel usg_flex_500_firmware ≤ 5.21 Yes
Hardware zyxel usg_flex_500 - No
Operating System zyxel usg_flex_700_firmware ≤ 5.21 Yes
Hardware zyxel usg_flex_700 - No
Operating System zyxel usg200_firmware ≤ 4.71 Yes
Hardware zyxel usg200 - No
Operating System zyxel usg20_firmware ≤ 4.71 Yes
Hardware zyxel usg20 - No
Operating System zyxel usg210_firmware ≤ 4.71 Yes
Hardware zyxel usg210 - No
Operating System zyxel usg2200_firmware ≤ 4.71 Yes
Hardware zyxel usg2200 - No
Operating System zyxel usg300_firmware ≤ 4.71 Yes
Hardware zyxel usg300 - No
Operating System zyxel usg310_firmware ≤ 4.71 Yes
Hardware zyxel usg310 - No
Operating System zyxel nsg300_firmware < 1.33 Yes
Operating System zyxel nsg300_firmware 1.33 Yes
Operating System zyxel nsg300_firmware 1.33 Yes
Operating System zyxel nsg300_firmware 1.33 Yes
Operating System zyxel nsg300_firmware 1.33 Yes
Operating System zyxel nsg300_firmware 1.33 Yes
Hardware zyxel nsg300 - No
Operating System zyxel nsg100_firmware < 1.33 Yes
Operating System zyxel nsg100_firmware 1.33 Yes
Operating System zyxel nsg100_firmware 1.33 Yes
Operating System zyxel nsg100_firmware 1.33 Yes
Operating System zyxel nsg100_firmware 1.33 Yes
Operating System zyxel nsg100_firmware 1.33 Yes
Hardware zyxel nsg100 - No
Operating System zyxel nsg50_firmware < 1.33 Yes
Operating System zyxel nsg50_firmware 1.33 Yes
Operating System zyxel nsg50_firmware 1.33 Yes
Operating System zyxel nsg50_firmware 1.33 Yes
Operating System zyxel nsg50_firmware 1.33 Yes
Operating System zyxel nsg50_firmware 1.33 Yes
Hardware zyxel nsg50 - No
Operating System zyxel nxc2500_firmware ≤ 6.10\(aaig.3\) Yes
Hardware zyxel nxc2500 - No
Operating System zyxel nxc5500_firmware ≤ 6.10\(aaos.3\) Yes
Hardware zyxel nxc5500 - No
Operating System zyxel nap203_firmware ≤ 6.25\(abfa.7\) Yes
Hardware zyxel nap203 - No
Operating System zyxel nap303_firmware ≤ 6.25\(abex.7\) Yes
Hardware zyxel nap303 - No
Operating System zyxel nap353_firmware ≤ 6.25\(abey.7\) Yes
Hardware zyxel nap353 - No
Operating System zyxel nwa50ax_firmware ≤ 6.25\(abyw.5\) Yes
Hardware zyxel nwa50ax - No
Operating System zyxel nwa55axe_firmware ≤ 6.25\(abzl.5\) Yes
Hardware zyxel nwa55axe - No
Operating System zyxel nwa90ax_firmware ≤ 6.27\(accv.2\) Yes
Hardware zyxel nwa90ax - No
Operating System zyxel nwa110ax_firmware ≤ 6.30\(abtg.2\) Yes
Hardware zyxel nwa110ax - No
Operating System zyxel nwa210ax_firmware ≤ 6.30\(abtd.2\) Yes
Hardware zyxel nwa210ax - No
Operating System zyxel nwa1123-ac-hd_firmware ≤ 6.25\(abin.6\) Yes
Hardware zyxel nwa1123-ac-hd - No
Operating System zyxel nwa1123-ac-pro_firmware ≤ 6.25\(abhd.7\) Yes
Hardware zyxel nwa1123-ac-pro - No
Operating System zyxel nwa1123acv3_firmware ≤ 6.30\(abvt.2\) Yes
Hardware zyxel nwa1123acv3 - No
Operating System zyxel nwa1302-ac_firmware ≤ 6.25\(abku.6\) Yes
Hardware zyxel nwa1302-ac - No
Operating System zyxel nwa5123-ac-hd_firmware ≤ 6.25\(abim.6\) Yes
Hardware zyxel nwa5123-ac-hd - No
Operating System zyxel wac500h_firmware ≤ 6.30\(abwa.2\) Yes
Hardware zyxel wac500h - No
Operating System zyxel wac500_firmware ≤ 6.30\(abvs.2\) Yes
Hardware zyxel wac500 - No
Operating System zyxel wac5302d-s_firmware ≤ 6.10\(abfh.10\) Yes
Hardware zyxel wac5302d-s - No
Operating System zyxel wac5302d-sv2_firmware ≤ 6.25\(abvz.6\) Yes
Hardware zyxel wac5302d-sv2 - No
Operating System zyxel wac6103d-i_firmware ≤ 6.25\(aaxh.7\) Yes
Hardware zyxel wac6103d-i - No
Operating System zyxel wac6303d-s_firmware ≤ 6.25\(abgl.6\) Yes
Hardware zyxel wac6303d-s - No
Operating System zyxel wac6502d-e_firmware ≤ 6.25\(aasd.7\) Yes
Hardware zyxel wac6502d-e - No
Operating System zyxel wac6502d-s_firmware ≤ 6.25\(aase.7\) Yes
Hardware zyxel wac6502d-s - No
Operating System zyxel wac6503d-s_firmware ≤ 6.25\(aasf.7\) Yes
Hardware zyxel wac6503d-s - No
Operating System zyxel wac6553d-s_firmware ≤ 6.25\(aasg.7\) Yes
Hardware zyxel wac6553d-s - No
Operating System zyxel wac6552d-s_firmware ≤ 6.25\(abio.7\) Yes
Hardware zyxel wac6552d-s - No
Operating System zyxel wax510d_firmware ≤ 6.30\(abtf.2\) Yes
Hardware zyxel wax510d - No
Operating System zyxel wax610d_firmware ≤ 6.30\(abte.2\) Yes
Hardware zyxel wax610d - No
Operating System zyxel wax630s_firmware ≤ 6.30\(abzd.2\) Yes
Hardware zyxel wax630s - No
Operating System zyxel wax650s_firmware ≤ 6.30\(abrm.2\) Yes
Hardware zyxel wax650s - No
References