CVE-2026-102182 Junos OS: MX Series: Certificate-based IKE packets cause root-level code execution
Unauthenticated attackers can execute root-level code on Juniper MX Series routers via crafted IKE packets due to a stack-based buffer overflow.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-102182?
CVE-2026-102182 is a critical memory corruption vulnerability in Juniper Networks Junos OS, published on 14 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A Stack-based Buffer Overflow vulnerability in the kmd component of Juniper Networks Junos OS on MX Series allows an unauthenticated network attacker to execute code as root via specific IKE certificate-based packets.
This issue requires IKE to be enabled with an RSA-signature IKE policy to be vulnerable.
This issue affects Junos OS on MX Series:
* All versions before 21.2R3-S11; * from 21.4 before 21.4R3-S12; * from 22.2 before 22.2R3-S8; * from 22.3 before 22.3R3-S5; * from 22.4 before 22.4R3-S9;
Weakness: CWE-121
Which versions are affected by CVE-2026-102182?
How do I fix CVE-2026-102182?
No fix has been published for CVE-2026-102182 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-102182 being exploited?
There is no known exploitation of CVE-2026-102182 in the wild and no public exploit code.
Sources
Also known as GHSA-pvg7-92rm-23q6.