{
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        "metrics": [
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              "content": {
                "id": "CVE-2025-30644",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-10T03:55:42.671128Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-26T18:28:28.449Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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    ],
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        {
          "defaultStatus": "unaffected",
          "platforms": [
            "EX2300",
            "EX3400",
            "EX4100",
            "EX4300",
            "EX4300MP",
            "EX4400",
            "EX4600",
            "EX4650-48Y",
            "QFX5k Series"
          ],
          "product": "Junos OS",
          "vendor": "Juniper Networks",
          "versions": [
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              "lessThan": "21.4R3-S9",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
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            {
              "lessThan": "22.2R3-S5",
              "status": "affected",
              "version": "22.2",
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              "status": "affected",
              "version": "22.4",
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              "lessThan": "23.2R2-S3",
              "status": "affected",
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              "lessThan": "23.4R2-S3",
              "status": "affected",
              "version": "23.4",
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              "lessThan": "24.2R2",
              "status": "affected",
              "version": "24.2",
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              "value": "This issue only occurs when DHCP forwarding-options Option 82 is enabled, as shown below:\u003cbr\u003e\u003cbr\u003e\u003ctt\u003e[vlans \u0026lt;name\u0026gt; forwarding-options dhcp-security option-82]\u003c/tt\u003e"
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          "value": "This issue only occurs when DHCP forwarding-options Option 82 is enabled, as shown below:\n\n[vlans \u003cname\u003e forwarding-options dhcp-security option-82]"
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      "datePublic": "2025-04-09T16:00:00.000Z",
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              "value": "A Heap-based Buffer Overflow vulnerability in the flexible PIC concentrator (FPC) of Juniper Networks Junos OS on EX2300, EX3400, EX4100, EX4300, EX4300MP, EX4400, EX4600, EX4650-48Y, and QFX5k Series allows an attacker to send a specific DHCP packet to the device, leading to an FPC crash and restart, resulting in a Denial of Service (DoS). Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition.\u003cbr\u003e\u003cbr\u003eUnder a rare timing scenario outside the attacker\u0027s control, memory corruption may be observed when DHCP Option 82 is enabled, leading to an FPC crash and affecting packet forwarding. Due to the nature of the heap-based overflow, exploitation of this vulnerability could also lead to remote code execution within the FPC, resulting in complete control of the vulnerable component.\u003cbr\u003e\u003cp\u003eThis issue affects Junos OS on EX2300, EX3400, EX4100, EX4300, EX4300MP, EX4400, EX4600, EX4650-48Y, and QFX5k Series: \u003cbr\u003e\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cul\u003e\u003cli\u003eAll versions before 21.4R3-S9,\u0026nbsp;\u003c/li\u003e\u003cli\u003efrom 22.2 before 22.2R3-S5,\u0026nbsp;\u003c/li\u003e\u003cli\u003efrom 22.4 before 22.4R3-S5,\u0026nbsp;\u003c/li\u003e\u003cli\u003efrom 23.2 before 23.2R2-S3,\u0026nbsp;\u003c/li\u003e\u003cli\u003efrom 23.4 before 23.4R2-S3,\u0026nbsp;\u003c/li\u003e\u003cli\u003efrom 24.2 before 24.2R2.\u003c/li\u003e\u003c/ul\u003e\u003cp\u003e\u003c/p\u003e"
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          ],
          "value": "A Heap-based Buffer Overflow vulnerability in the flexible PIC concentrator (FPC) of Juniper Networks Junos OS on EX2300, EX3400, EX4100, EX4300, EX4300MP, EX4400, EX4600, EX4650-48Y, and QFX5k Series allows an attacker to send a specific DHCP packet to the device, leading to an FPC crash and restart, resulting in a Denial of Service (DoS). Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition.\n\nUnder a rare timing scenario outside the attacker\u0027s control, memory corruption may be observed when DHCP Option 82 is enabled, leading to an FPC crash and affecting packet forwarding. Due to the nature of the heap-based overflow, exploitation of this vulnerability could also lead to remote code execution within the FPC, resulting in complete control of the vulnerable component.\nThis issue affects Junos OS on EX2300, EX3400, EX4100, EX4300, EX4300MP, EX4400, EX4600, EX4650-48Y, and QFX5k Series: \n\n\n\n\n  *  All versions before 21.4R3-S9,\u00a0\n  *  from 22.2 before 22.2R3-S5,\u00a0\n  *  from 22.4 before 22.4R3-S5,\u00a0\n  *  from 23.2 before 23.2R2-S3,\u00a0\n  *  from 23.4 before 23.4R2-S3,\u00a0\n  *  from 24.2 before 24.2R2."
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              "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
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      "metrics": [
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            "attackComplexity": "HIGH",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
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            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
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            "Recovery": "AUTOMATIC",
            "Safety": "NOT_DEFINED",
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            "attackRequirements": "PRESENT",
            "attackVector": "ADJACENT",
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "privilegesRequired": "NONE",
            "providerUrgency": "GREEN",
            "subAvailabilityImpact": "LOW",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:L/AU:N/R:A/RE:M/U:Green",
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          "descriptions": [
            {
              "cweId": "CWE-122",
              "description": "CWE-122 Heap-based Buffer Overflow",
              "lang": "en",
              "type": "CWE"
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      "providerMetadata": {
        "dateUpdated": "2025-04-09T19:52:16.737Z",
        "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
        "shortName": "juniper"
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      "references": [
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          "tags": [
            "vendor-advisory"
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          "url": "https://supportportal.juniper.net/JSA96453"
        }
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              "value": "The following software releases have been updated to resolve this specific issue: 21.4R3-S9, 22.2R3-S5, 22.4R3-S5, 23.2R2-S3, 23.4R2-S3, 24.2R2, 24.4R1, and all subsequent releases.\u003cbr\u003e"
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        "advisory": "JSA96453",
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        "discovery": "USER"
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          "lang": "en",
          "time": "2025-04-09T16:00:00.000Z",
          "value": "Initial Publication"
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      "title": "Junos OS: EX2300, EX3400, EX4000 Series, QFX5k Series: Receipt of a specific DHCP packet causes FPC crash when DHCP Option 82 is enabled",
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              "value": "Disable\u0026nbsp;dhcp-option82 if it is not required."
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    "assignerShortName": "juniper",
    "cveId": "CVE-2025-30644",
    "datePublished": "2025-04-09T19:52:16.737Z",
    "dateReserved": "2025-03-24T19:34:11.320Z",
    "dateUpdated": "2026-02-26T18:28:28.449Z",
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