CVE-2026-33789
CVE-2026-33789 · Junos OS and Junos OS Evolved: With BGP Monitoring Protocol is enabled, receipt of a specifically crafted BGP route update results in denial of service
This page contains facts from public vulnerability sources. Check the original advisory before updating.
A Stack-based Buffer Overflow vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated BGP peer to cause a denial of service and potential root-level command execution via crafted BGP route updates when the BGP Monitoring Protocol (BMP) is enabled.
CVSS 9.2 · Critical · EPSS 0.7% · Fix available
- Published
- Updated
Affected products and versions
junos os
- Versions
- ≥ 0, < 23.2R2-S7.7: Affected (custom)
- ≥ 23.4, < 23.4R2-S8.13: Affected (custom)
- ≥ 24.2, < 24.2R2-S5.5: Affected (custom)
- ≥ 24.4, < 24.4R2-S5: Affected (custom)
- ≥ 25.2, < 25.2R2-S2: Affected (custom)
- ≥ 25.4, < 25.4R1-S3: Affected (custom)
- ≥ 26.2, < 26.2R1-S2: Affected (custom)
Update to 23.2R2-S7.7
junos os evolved
- Versions
- ≥ 0, < 23.2R2-S7.7-EVO: Affected (custom)
- ≥ 23.4, < 23.4R2-S8.11-EVO: Affected (custom)
- ≥ 24.2, < 24.2R2-S5.6-EVO: Affected (custom)
- ≥ 24.4, < 24.4R2-S5-EVO: Affected (custom)
- ≥ 25.2, < 25.2R2-S2-EVO: Affected (custom)
- ≥ 25.4, < 25.4R1-S3-EVO: Affected (custom)
- ≥ 26.2, < 26.2R1-S2-EVO: Affected (custom)
- 23.4X100: Affected (custom)
- ≥ 25.2X100, < 25.2X100-D35-EVO: Affected (custom)
- ≥ 25.4X300, < 25.4X300-D40-EVO: Affected (custom)
Update to 23.2R2-S7.7-EVO