---
title: "CVE-2026-102061: Juniper Networks Junos OS - Remote Code Execution"
description: "Juniper Networks Junos OS and Junos OS Evolved contain a stack-based buffer overflow caused by improper handling of crafted DHCP SZTP bootstrap messages in the phone-home daemon (phcd), letting adjacent unauthenticated attackers execute arbitrary code as root, exploit requires adjacent network access on platforms supporting Secure-ZTP."
url: https://panop.io/threat-heartbeat/CVE-2026-102061/
---

# CVE-2026-102061 Juniper Networks Junos OS - Remote Code Execution

Juniper Networks Junos OS and Junos OS Evolved contain a stack-based buffer overflow caused by improper handling of crafted DHCP SZTP bootstrap messages in the phone-home daemon (phcd), letting adjacent unauthenticated attackers execute arbitrary code as root, exploit requires adjacent network access on platforms supporting Secure-ZTP.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-102061)

## Details

Type

Remote Code Execution

Impact

Remote Code Execution

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

14 October 2026

Updated

15 October 2026

Weakness

[CWE-121](https://cwe.mitre.org/data/definitions/121.html)

## Vendor fix

Update to the latest version that patches the buffer overflow vulnerability.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-102061](https://nvd.nist.gov/vuln/detail/CVE-2026-102061)
- [https://supportportal.juniper.net/JSA112187](https://supportportal.juniper.net/JSA112187)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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