CVE-2026-102084

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To be able to carry out this attack an attacker must either have acquired the shared secret to impersonate a peer or have compromised an existing one, so this attack is considerably difficult.<br><p><br>This issue affects Junos OS on SRX Series:<br></p><ul><li>All versions before 23.2R2-S7.7;</li><li>from 23.4 before 23.4R2-S7;</li><li>from 24.2 before 24.2R2-S4;</li><li>from 24.4 before 24.4R2-S3;</li><li>from 25.2 before 25.2R2;</li><li>from 25.4 before 25.4R1-S3.</li></ul><br><p></p>"}], "value": "An Improper Validation of Syntactic Correctness of Input vulnerability in the VPN daemon of Juniper Networks Junos OS on SRX Series allows an authenticated, network-based attacker to take complete control of the device.\n\nIf an SRX device configured for AutoDiscovery VPN (ADVPN) receives a message from a peer that contains one or more specifically malformed attributes, this will cause a buffer overflow, which can allow remote code execution and therefore allow an attacker to take complete control of the device. 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To be able to carry out this attack an attacker must either have acquired the shared secret to impersonate a peer or have compromised an existing one, so this attack is considerably difficult.\n\nThis issue affects Junos OS on SRX Series:\n\n\n * All versions before 23.2R2-S7.7;\n * from 23.4 before 23.4R2-S7;\n * from 24.2 before 24.2R2-S4;\n * from 24.4 before 24.4R2-S3;\n * from 25.2 before 25.2R2;\n * from 25.4 before 25.4R1-S3.", "supportingMedia": [{"type": "text/html", "value": "An Improper Validation of Syntactic Correctness of Input vulnerability in the VPN daemon of Juniper Networks Junos OS on SRX Series allows an authenticated, network-based attacker to take complete control of the device.<br><br>If an SRX device configured for AutoDiscovery VPN (ADVPN) receives a message from a peer that contains one or more specifically malformed attributes, this will cause a buffer overflow, which can allow remote code execution and therefore allow an attacker to take complete control of the device. 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