Signal is active with 1 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
An Improper Input Validation vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker, sending a specific genuine BGP packet in an already established BGP session to reset only that session causing a Denial of Service (DoS). An attacker repeatedly sending the packet will sustain the Denial of Service (DoS).This issue affects Junos OS: * 25.2 versions before 25.2R2 This issue does not affect Junos OS versions before 25.2R1. This issue affects Junos OS Evolved: * 25.2-EVO versions before 25.2R2-EVO This issue does not affect Junos OS Evolved versions before 25.2R1-EVO. eBGP and iBGP are affected. IPv4 and IPv6 are affected.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
NONE
Momentum
NONE
If you run products in this scope, you should treat this CVE as relevant to your environment.
1 version affected across 2 products
CVE-2026-33797 An Improper Input Validation vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker, sending a specific genuine … https://www.cve.org/CVERecord?id=CVE-2026-33797
Post summary
CVE-2026-33797 is documented as an Improper Input Validation flaw in Juniper Junos OS, potentially exploitable by unauthenticated adjacent attackers.
8 of 8 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| OS | juniper | junos | 25.2 | - | - |
| OS | juniper | junos | 25.2 | - | - |
| OS | juniper | junos | 25.2 | - | - |
| OS | juniper | junos | 25.2 | - | - |
| OS | juniper | junos_os_evolved | 25.2 | - | - |
| OS | juniper | junos_os_evolved | 25.2 | - | - |
| OS | juniper | junos_os_evolved | 25.2 | - | - |
| OS | juniper | junos_os_evolved | 25.2 | - | - |