CVE-2024-42058
Estado: AnalizadaAlta (7.5)—
A null pointer dereference vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V5.20 through V5.38, and USG20(W)-VPN series firmware versions from V5.20 through V5.38 could allow an unauthenticated attacker to cause DoS conditions by sending crafted packets to a vulnerable device.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 7.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.62%
- Percentil entre todas las CVEs puntuadas: 48
- Fecha de la puntuación: 7/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- CWE-476
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2024-42058",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2024-42058",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2024-09-03T13:46:39.521652Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "security@zyxel.com.tw",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.5,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "security@zyxel.com.tw",
"affectedData": [
{
"vendor": "Zyxel",
"product": "ATP series firmware",
"versions": [
{
"status": "affected",
"version": "versions V4.32 through V5.38"
}
],
"defaultStatus": "unaffected"
},
{
"vendor": "Zyxel",
"product": "USG FLEX series firmware",
"versions": [
{
"status": "affected",
"version": "versions V4.50 through V5.38"
}
],
"defaultStatus": "unaffected"
},
{
"vendor": "Zyxel",
"product": "USG FLEX 50(W) series firmware",
"versions": [
{
"status": "affected",
"version": "versions V5.20 through V5.38"
}
],
"defaultStatus": "unaffected"
},
{
"vendor": "Zyxel",
"product": "USG20(W)-VPN series firmware",
"versions": [
{
"status": "affected",
"version": "versions V5.20 through V5.38"
}
],
"defaultStatus": "unaffected"
}
]
},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"affectedData": [
{
"cpes": [
"cpe:2.3:o:zyxel:atp100_firmware:*:*:*:*:*:*:*:*",
"cpe:2.3:o:zyxel:atp100w_firmware:*:*:*:*:*:*:*:*",
"cpe:2.3:o:zyxel:atp200_firmware:*:*:*:*:*:*:*:*",
"cpe:2.3:o:zyxel:atp500_firmware:*:*:*:*:*:*:*:*",
"cpe:2.3:o:zyxel:atp700_firmware:*:*:*:*:*:*:*:*",
"cpe:2.3:o:zyxel:atp800_firmware:*:*:*:*:*:*:*:*"
],
"vendor": "zyxel",
"product": "atp800_firmware",
"versions": [
{
"status": "affected",
"version": "4.32",
"versionType": "custom",
"lessThanOrEqual": "5.38"
}
],
"defaultStatus": "unaffected"
},
{
"cpes": [
"cpe:2.3:o:zyxel:usg_flex_100ax_firmware:*:*:*:*:*:*:*:*",
"cpe:2.3:o:zyxel:usg_flex_100_firmware:*:*:*:*:*:*:*:*",
"cpe:2.3:o:zyxel:usg_flex_100h_firmware:*:*:*:*:*:*:*:*",
"cpe:2.3:o:zyxel:usg_flex_100w_firmware:*:*:*:*:*:*:*:*",
"cpe:2.3:o:zyxel:usg_flex_200_firmware:*:*:*:*:*:*:*:*",
"cpe:2.3:o:zyxel:usg_flex_200h_firmware:*:*:*:*:*:*:*:*",
"cpe:2.3:o:zyxel:usg_flex_500_firmware:*:*:*:*:*:*:*:*",
"cpe:2.3:o:zyxel:usg_flex_500h_firmware:*:*:*:*:*:*:*:*",
"cpe:2.3:o:zyxel:usg_flex_50ax_firmware:*:*:*:*:*:*:*:*",
"cpe:2.3:o:zyxel:usg_flex_50_firmware:*:*:*:*:*:*:*:*",
"cpe:2.3:o:zyxel:usg_flex_700_firmware:*:*:*:*:*:*:*:*",
"cpe:2.3:o:zyxel:usg_flex_700h_firmware:*:*:*:*:*:*:*:*"
],
"vendor": "zyxel",
"product": "usg_flex_700h_firmware",
"versions": [
{
"status": "affected",
"version": "4.5",
"versionType": "custom",
"lessThanOrEqual": "5.38"
}
],
"defaultStatus": "unaffected"
},
{
"cpes": [
"cpe:2.3:o:zyxel:usg20w-vpn_firmware:*:*:*:*:*:*:*:*",
"cpe:2.3:o:zyxel:usg_flex_50w_firmware:*:*:*:*:*:*:*:*"
],
"vendor": "zyxel",
"product": "usg_flex_50w_firmware",
"versions": [
{
"status": "affected",
"version": "5.20",
"versionType": "custom",
"lessThanOrEqual": "5.38"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2024-09-03T02:15:04.467",
"references": [
{
"url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-09-03-2024",
"tags": [
"Vendor Advisory"
],
"source": "security@zyxel.com.tw"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Secondary",
"source": "security@zyxel.com.tw",
"description": [
{
"lang": "en",
"value": "CWE-476"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A null pointer dereference vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V5.20 through V5.38, and USG20(W)-VPN series firmware versions from V5.20 through V5.38 could allow an unauthenticated attacker to cause DoS conditions by sending crafted packets to a vulnerable device."
},
{
"lang": "es",
"value": "Una vulnerabilidad de desreferencia de puntero nulo en las versiones de firmware de la serie Zyxel ATP de V4.32 a V5.38, las versiones de firmware de la serie USG FLEX de V4.50 a V5.38, las versiones de firmware de la serie USG FLEX 50(W) de V5.20 a V5.38 y las versiones de firmware de la serie USG20(W)-VPN de V5.20 a V5.38 podría permitir que un atacante no autenticado provoque condiciones de denegación de servicio (DoS) mediante el envío de paquetes manipulados a un dispositivo vulnerable."
}
],
"lastModified": "2026-06-17T07:48:43.273",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "871446C3-30E8-4FE9-AC8A-4D87A400233F",
"versionEndExcluding": "5.39",
"versionStartIncluding": "4.32"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:zyxel:atp100:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "7F7654A1-3806-41C7-82D4-46B0CD7EE53B"
},
{
"criteria": "cpe:2.3:h:zyxel:atp100w:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "47398FD0-6C5E-4625-9EFD-DE08C9AB7DB2"
},
{
"criteria": "cpe:2.3:h:zyxel:atp200:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "D68A36FF-8CAF-401C-9F18-94F3A2405CF4"
},
{
"criteria": "cpe:2.3:h:zyxel:atp500:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "2818E8AC-FFEE-4DF9-BF3F-C75166C0E851"
},
{
"criteria": "cpe:2.3:h:zyxel:atp700:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "0B41F437-855B-4490-8011-DF59887BE6D5"
},
{
"criteria": "cpe:2.3:h:zyxel:atp800:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "66B99746-0589-46E6-9CBD-F38619AD97DC"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "4240E15F-8869-4DA7-9F6E-5DAF3708F9A7",
"versionEndExcluding": "5.39",
"versionStartIncluding": "4.50"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:zyxel:usg_flex_100:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "2B30A4C0-9928-46AD-9210-C25656FB43FB"
},
{
"criteria": "cpe:2.3:h:zyxel:usg_flex_100ax:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "03036815-04AE-4E39-8310-DA19A32CFA48"
},
{
"criteria": "cpe:2.3:h:zyxel:usg_flex_100w:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "D74ABA7E-AA78-4A13-A64E-C44021591B42"
},
{
"criteria": "cpe:2.3:h:zyxel:usg_flex_200:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "F93B6A06-2951-46D2-A7E1-103D7318D612"
},
{
"criteria": "cpe:2.3:h:zyxel:usg_flex_50:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "646C1F07-B553-47B0-953B-DC7DE7FD0F8B"
},
{
"criteria": "cpe:2.3:h:zyxel:usg_flex_500:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "92C697A5-D1D3-4FF0-9C43-D27B18181958"
},
{
"criteria": "cpe:2.3:h:zyxel:usg_flex_700:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "9D1396E3-731B-4D05-A3F8-F3ABB80D5C29"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "57DB83F8-63CE-4E72-B89D-E88C2E0829E1",
"versionEndExcluding": "5.39",
"versionStartIncluding": "4.20"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:zyxel:usg_flex_50w:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "110A1CA4-0170-4834-8281-0A3E14FC5584"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "57DB83F8-63CE-4E72-B89D-E88C2E0829E1",
"versionEndExcluding": "5.39",
"versionStartIncluding": "4.20"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:zyxel:usg_20w-vpn:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "6BEA412F-3DA1-4E91-9C74-0666147DABCE"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "security@zyxel.com.tw"
}