{"api_version":"1","generated_at":"2026-04-11T08:44:26+00:00","cve":"CVE-2026-33783","urls":{"html":"https://cve.report/CVE-2026-33783","api":"https://cve.report/api/cve/CVE-2026-33783.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-33783","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-33783"},"summary":{"title":"Junos OS Evolved: PTX Series: If SRTE tunnels provisioned via PCEP are present and specific gRPC queries are received evo-aftmand crashes","description":"A Function Call With Incorrect Argument Type vulnerability in the sensor interface of Juniper Networks Junos OS Evolved on PTX Series allows a network-based, authenticated attacker with low privileges to cause a complete Denial of Service (DoS).\n\n\nIf colored SRTE policy tunnels are provisioned via PCEP, and gRPC is used to monitor traffic in these tunnels, evo-aftmand crashes and doesn't restart which leads to a complete and persistent service impact. The system has to be manually restarted to recover. The issue is seen only when the Originator ASN field in PCEP contains a value larger than 65,535 (32-bit ASN). The issue is not reproducible when SRTE policy tunnels are statically configured.\n\n\nThis issue affects Junos OS Evolved on PTX Series: \n\n\n\n  *  all versions before 22.4R3-S9-EVO,\n  *  23.2 versions before 23.2R2-S6-EVO,\n  *  23.4 versions before 23.4R2-S7-EVO,\n  *  24.2 versions before 24.2R2-S4-EVO,\n  *  24.4 versions before 24.4R2-S2-EVO,\n  *  25.2 versions before 25.2R1-S2-EVO, 25.2R2-EVO.","state":"PUBLISHED","assigner":"juniper","published_at":"2026-04-09 22:16:27","updated_at":"2026-04-09 22:16:27"},"problem_types":["CWE-686","CWE-686 CWE-686 Function Call With Incorrect Argument 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The system has to be manually restarted to recover. The issue is seen only when the Originator ASN field in PCEP contains a value larger than 65,535 (32-bit ASN). The issue is not reproducible when SRTE policy tunnels are statically configured.<br><br><br>This issue affects Junos OS Evolved on PTX Series:&nbsp;<p></p><p></p><ul><li>all versions before 22.4R3-S9-EVO,</li><li>23.2 versions before 23.2R2-S6-EVO,</li><li>23.4 versions before 23.4R2-S7-EVO,</li><li>24.2 versions before 24.2R2-S4-EVO,</li><li>24.4 versions before 24.4R2-S2-EVO,</li><li>25.2 versions before 25.2R1-S2-EVO, 25.2R2-EVO.</li></ul><p></p><p><br></p>"}],"value":"A Function Call With Incorrect Argument Type vulnerability in the sensor interface of Juniper Networks Junos OS Evolved on PTX Series allows a network-based, authenticated attacker with low privileges to cause a complete Denial of Service (DoS).\n\n\nIf colored SRTE policy tunnels are provisioned via PCEP, and gRPC is used to monitor traffic in these tunnels, evo-aftmand crashes and doesn't restart which leads to a complete and persistent service impact. The system has to be manually restarted to recover. 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The issue is not reproducible when SRTE policy tunnels are statically configured.\n\n\nThis issue affects Junos OS Evolved on PTX Series: \n\n\n\n  *  all versions before 22.4R3-S9-EVO,\n  *  23.2 versions before 23.2R2-S6-EVO,\n  *  23.4 versions before 23.4R2-S7-EVO,\n  *  24.2 versions before 24.2R2-S4-EVO,\n  *  24.4 versions before 24.4R2-S2-EVO,\n  *  25.2 versions before 25.2R1-S2-EVO, 25.2R2-EVO."}],"exploits":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}],"value":"Juniper SIRT is not aware of any malicious exploitation of this 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