CVE-2026-102052

A Stack-based Buffer Overflow vulnerability in the jdhcpd process of Juniper Networks Junos OS and Junos OS Evolved platforms allows an adjacent unauthenticated attacker to cause denial of service or execute arbitrary code with root privileges via a malformed DHCPv4 server response when the DHCPv4 local-client feature is used.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://supportportal.juniper.net/JSA112187

Configurations

No configuration.

History

14 Oct 2026, 17:18

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-14 17:18

Updated : 2026-10-16 15:17

NVD link : CVE-2026-102052

Mitre link : CVE-2026-102052

CVE.ORG link : CVE-2026-102052

JSON object : View

Products Affected

No product.

CWE

CWE-121

Stack-based Buffer Overflow

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"23.4X100", "versionType": "custom"}, {"status": "affected", "version": "25.2X100", "lessThan": "25.2X100-D35-EVO", "versionType": "custom"}, {"status": "affected", "version": "25.4X300", "lessThan": "25.4X300-D40-EVO", "versionType": "custom"}], "defaultStatus": "unaffected"}]}], "published": "2026-10-14T17:18:00.113", "references": [{"url": "https://supportportal.juniper.net/JSA112187", "source": "sirt@juniper.net"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "sirt@juniper.net", "description": [{"lang": "en", "value": "CWE-121"}]}], "descriptions": [{"lang": "en", "value": "A Stack-based Buffer Overflow vulnerability in the jdhcpd process of Juniper Networks Junos OS and Junos OS Evolved platforms allows an adjacent unauthenticated attacker to cause denial of service or execute arbitrary code with root privileges via a malformed DHCPv4 server response when the DHCPv4 local-client feature is used."}], "lastModified": "2026-10-16T15:17:01.023", "sourceIdentifier": "sirt@juniper.net"}