A format string vulnerability in a function of the IPSec VPN feature in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware versions from 4.50 through 5.37 Patch 1, USG FLEX 50(W) series firmware versions from 4.16 through 5.37 Patch 1, and USG20(W)-VPN series firmware versions from 4.16 through 5.37 Patch 1 could allow an attacker to achieve unauthorized remote code execution by sending a sequence of specially crafted payloads containing an invalid pointer; however, such an attack would require detailed knowledge of an affected device’s memory layout and configuration.
Project Subscriptions
| Vendors | Products |
|---|---|
|
Zyxel
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|
Atp100
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Atp100 Firmware
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Atp100w
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Atp100w Firmware
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Atp200
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Atp200 Firmware
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Atp500
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Atp500 Firmware
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Atp700
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Atp700 Firmware
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Atp800
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Atp800 Firmware
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Usg20-vpn
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Usg20-vpn Firmware
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Usg20w-vpn
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Usg20w-vpn Firmware
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Usg Flex 100
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Usg Flex 100 Firmware
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Usg Flex 100ax
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Usg Flex 100ax Firmware
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Usg Flex 100h
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Usg Flex 100h Firmware
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Usg Flex 100w
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Usg Flex 100w Firmware
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Usg Flex 200
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Usg Flex 200 Firmware
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Usg Flex 200h
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Usg Flex 200h Firmware
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Usg Flex 200hp
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Usg Flex 200hp Firmware
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Usg Flex 50
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Usg Flex 500
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Usg Flex 500 Firmware
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Usg Flex 500h
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Usg Flex 500h Firmware
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Usg Flex 50 Firmware
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Usg Flex 50w
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Usg Flex 50w Firmware
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Usg Flex 700
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Usg Flex 700 Firmware
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Usg Flex 700h
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Usg Flex 700h Firmware
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|
Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2023-58976 | A format string vulnerability in a function of the IPSec VPN feature in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware versions from 4.50 through 5.37 Patch 1, USG FLEX 50(W) series firmware versions from 4.16 through 5.37 Patch 1, and USG20(W)-VPN series firmware versions from 4.16 through 5.37 Patch 1 could allow an attacker to achieve unauthorized remote code execution by sending a sequence of specially crafted payloads containing an invalid pointer; however, such an attack would require detailed knowledge of an affected device’s memory layout and configuration. |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Fri, 11 Jul 2025 13:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
epss
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epss
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Tue, 21 Jan 2025 19:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Zyxel
Zyxel atp100 Zyxel atp100 Firmware Zyxel atp100w Zyxel atp100w Firmware Zyxel atp200 Zyxel atp200 Firmware Zyxel atp500 Zyxel atp500 Firmware Zyxel atp700 Zyxel atp700 Firmware Zyxel atp800 Zyxel atp800 Firmware Zyxel usg20-vpn Zyxel usg20-vpn Firmware Zyxel usg20w-vpn Zyxel usg20w-vpn Firmware Zyxel usg Flex 100 Zyxel usg Flex 100 Firmware Zyxel usg Flex 100ax Zyxel usg Flex 100ax Firmware Zyxel usg Flex 100h Zyxel usg Flex 100h Firmware Zyxel usg Flex 100w Zyxel usg Flex 100w Firmware Zyxel usg Flex 200 Zyxel usg Flex 200 Firmware Zyxel usg Flex 200h Zyxel usg Flex 200h Firmware Zyxel usg Flex 200hp Zyxel usg Flex 200hp Firmware Zyxel usg Flex 50 Zyxel usg Flex 500 Zyxel usg Flex 500 Firmware Zyxel usg Flex 500h Zyxel usg Flex 500h Firmware Zyxel usg Flex 50 Firmware Zyxel usg Flex 50w Zyxel usg Flex 50w Firmware Zyxel usg Flex 700 Zyxel usg Flex 700 Firmware Zyxel usg Flex 700h Zyxel usg Flex 700h Firmware |
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| CPEs | cpe:2.3:h:zyxel:atp100:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:atp100w:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:atp200:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:atp500:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:atp700:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:atp800:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg20-vpn:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg20w-vpn:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg_flex_100:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg_flex_100ax:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg_flex_100h:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg_flex_100w:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg_flex_200:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg_flex_200h:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg_flex_200hp:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg_flex_500:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg_flex_500h:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg_flex_50:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg_flex_50w:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg_flex_700:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg_flex_700h:-:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp100_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp100_firmware:5.37:-:*:*:*:*:*:* cpe:2.3:o:zyxel:atp100_firmware:5.37:patch1:*:*:*:*:*:* cpe:2.3:o:zyxel:atp100w_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp100w_firmware:5.37:-:*:*:*:*:*:* cpe:2.3:o:zyxel:atp100w_firmware:5.37:patch1:*:*:*:*:*:* cpe:2.3:o:zyxel:atp200_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp200_firmware:5.37:-:*:*:*:*:*:* cpe:2.3:o:zyxel:atp200_firmware:5.37:patch1:*:*:*:*:*:* cpe:2.3:o:zyxel:atp500_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp500_firmware:5.37:-:*:*:*:*:*:* cpe:2.3:o:zyxel:atp500_firmware:5.37:patch1:*:*:*:*:*:* cpe:2.3:o:zyxel:atp700_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp700_firmware:5.37:-:*:*:*:*:*:* cpe:2.3:o:zyxel:atp700_firmware:5.37:patch1:*:*:*:*:*:* cpe:2.3:o:zyxel:atp800_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp800_firmware:5.37:-:*:*:*:*:*:* cpe:2.3:o:zyxel:atp800_firmware:5.37:patch1:*:*:*:*:*:* cpe:2.3:o:zyxel:usg20-vpn_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg20-vpn_firmware:5.37:-:*:*:*:*:*:* cpe:2.3:o:zyxel:usg20-vpn_firmware:5.37:patch1:*:*:*:*:*:* cpe:2.3:o:zyxel:usg20w-vpn_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg20w-vpn_firmware:5.37:-:*:*:*:*:*:* cpe:2.3:o:zyxel:usg20w-vpn_firmware:5.37:patch1:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100_firmware:5.37:-:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100_firmware:5.37:patch1:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100ax_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100ax_firmware:5.37:-:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100ax_firmware:5.37:patch1:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100h_firmware:5.37:-:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100h_firmware:5.37:patch1:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100w_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100w_firmware:5.37:-:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100w_firmware:5.37:patch1:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_200_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_200_firmware:5.37:-:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_200_firmware:5.37:patch1:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_200h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_200h_firmware:5.37:-:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_200h_firmware:5.37:patch1:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_200hp_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_200hp_firmware:5.37:-:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_200hp_firmware:5.37:patch1:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_500_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_500_firmware:5.37:-:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_500_firmware:5.37:patch1:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_500h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_500h_firmware:5.37:-:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_500h_firmware:5.37:patch1:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50_firmware:5.37:-:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50_firmware:5.37:patch1:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50w_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50w_firmware:5.37:-:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50w_firmware:5.37:patch1:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_700_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_700_firmware:5.37:-:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_700_firmware:5.37:patch1:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_700h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_700h_firmware:5.37:-:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_700h_firmware:5.37:patch1:*:*:*:*:*:* |
|
| Vendors & Products |
Zyxel
Zyxel atp100 Zyxel atp100 Firmware Zyxel atp100w Zyxel atp100w Firmware Zyxel atp200 Zyxel atp200 Firmware Zyxel atp500 Zyxel atp500 Firmware Zyxel atp700 Zyxel atp700 Firmware Zyxel atp800 Zyxel atp800 Firmware Zyxel usg20-vpn Zyxel usg20-vpn Firmware Zyxel usg20w-vpn Zyxel usg20w-vpn Firmware Zyxel usg Flex 100 Zyxel usg Flex 100 Firmware Zyxel usg Flex 100ax Zyxel usg Flex 100ax Firmware Zyxel usg Flex 100h Zyxel usg Flex 100h Firmware Zyxel usg Flex 100w Zyxel usg Flex 100w Firmware Zyxel usg Flex 200 Zyxel usg Flex 200 Firmware Zyxel usg Flex 200h Zyxel usg Flex 200h Firmware Zyxel usg Flex 200hp Zyxel usg Flex 200hp Firmware Zyxel usg Flex 50 Zyxel usg Flex 500 Zyxel usg Flex 500 Firmware Zyxel usg Flex 500h Zyxel usg Flex 500h Firmware Zyxel usg Flex 50 Firmware Zyxel usg Flex 50w Zyxel usg Flex 50w Firmware Zyxel usg Flex 700 Zyxel usg Flex 700 Firmware Zyxel usg Flex 700h Zyxel usg Flex 700h Firmware |
Projects
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Status: PUBLISHED
Assigner: Zyxel
Published:
Updated: 2024-08-02T08:42:07.430Z
Reserved: 2023-12-13T08:39:31.993Z
Link: CVE-2023-6764
Updated: 2024-08-02T08:42:07.430Z
Status : Analyzed
Published: 2024-02-20T03:15:07.870
Modified: 2025-01-21T18:35:59.583
Link: CVE-2023-6764
No data.
OpenCVE Enrichment
No data.
Weaknesses
EUVD