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Vulnerabilities

Vulnerability · CVE-2026-102183

Junos OS and Junos OS Evolved: If in a BGP EVPN scenario a malformed NLRI is received rpd crashes

Published Oct 14, 2026 · catalog updated Oct 15, 2026 · Juniper Networks Junos OS

Check if you run it

No confirmed exploitation is on record for CVE-2026-102183. EPSS is 0.46%. Act only if a listed version of Juniper Networks Junos OS is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.46%
Remediation
Not established
Affected products
vendor Juniper Networks Junos OS · vendor Juniper Networks Junos OS Evolved

An Improper Validation of Specified Quantity in Input vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a configured BGP EVPN peer to cause an rpd crash via a specifically malformed NLRI.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Juniper Networks Junos OSversion unspecified
  • vendor Juniper Networks Junos OS Evolvedversion unspecified

How to fix CVE-2026-102183

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-102183. EPSS is 0.46%. Act only if a listed version of Juniper Networks Junos OS is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-1284. EPSS 0.46%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 14, 2026 · NIST NVD

    Detected

    An Improper Validation of Specified Quantity in Input vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a configured BGP EVPN peer to cause an rpd crash via a specifically malformed NLRI.

  2. Oct 14, 2026 · NIST NVD

    Updated

    An Improper Validation of Specified Quantity in Input vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a configured BGP EVPN peer to cause an rpd crash via a specifically malformed NLRI.

  3. Oct 15, 2026 · NIST NVD

    Updated

    An Improper Validation of Specified Quantity in Input vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a configured BGP EVPN peer to cause an rpd crash via a specifically malformed NLRI.

Sources

  • CVE.orgVulnerability recordCVE-2026-102183

    An Improper Validation of Specified Quantity in Input vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a configured BGP EVPN peer to cause an rpd crash via a specifically malformed NLRI.

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-102183

    30-day exploitation probability 0.5%

    first.org
  • NIST NVDVulnerability recordCVE-2026-102183

    An Improper Validation of Specified Quantity in Input vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a configured BGP EVPN peer to cause an rpd crash via a specifically malformed NLRI.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.