Quick answers
- Is CVE-2026-102061 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-102061 being exploited in the wild.
- How severe is CVE-2026-102061?
- High severity, with a CVSS score of 8.8, published 14 October 2026.
- Which products and versions are affected?
- Juniper Networks Junos OS; Juniper Networks Junos OS Evolved.
- Is there a fix for CVE-2026-102061?
- No fixed version is recorded yet. Disable Secure-ZTP if not required, or restrict DHCP and network access to trusted adjacent segments only.</anigation> </invoke> If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-102061 attacked?
- It is attacked from the adjacent network, in an operating system.
- Am I affected by CVE-2026-102061?
- Check whether you run Juniper Networks Junos OS or Juniper Networks Junos OS Evolved. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
Disable Secure-ZTP if not required, or restrict DHCP and network access to trusted adjacent segments only.</anigation> </invoke>
Technical details
A stack-based buffer overflow exists in the phone-home daemon (phcd) when processing DHCP SZTP bootstrap messages. The vulnerability requires network adjacency and affects only platforms with Secure-ZTP support enabled. Successful exploitation grants root-level code execution on the affected device.
Affected products
- Juniper Networks Junos OS
- Juniper Networks Junos OS Evolved
Timeline
- 2026-10-14: disclosed