CVE-2025-21602
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2025
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Junos OS and Junos OS Evolved: Receipt of specially crafted BGP update packet causes RPD crash
An Improper Handling of Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated adjacent attacker sending a specific BGP update packet to cause rpd to crash and restart, resulting in a Denial of Service (DoS). Continuous receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue affects iBGP and eBGP, and both IPv4 and IPv6 are affected by this vulnerability. This issue affects Junos OS: * from 21.4 before 21.4R3-S9, * from 22.2 before 22.2R3-S5, * from 22.3 before 22.3R3-S4, * from 22.4 before 22.4R3-S5, * from 23.2 before 23.2R2-S3, * from 23.4 before 23.4R2-S3, * from 24.2 before 24.2R1-S2, 24.2R2; This issue does not affect versions prior to 21.1R1. Junos OS Evolved: * from 21.4 before 21.4R3-S9-EVO, * from 22.2 before 22.2R3-S5-EVO, * from 22.3 before 22.3R3-S4-EVO, * from 22.4 before 22.4R3-S5-EVO, * from 23.2 before 23.2R2-S3-EVO, * from 23.4 before 23.4R2-S3-EVO, * from 24.2 before 24.2R1-S2-EVO, 24.2R2-EVO. This issue does not affect versions prior to 21.1R1-EVO
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Junos OS
- Vendor
- Juniper Networks
- Product
- Junos OS
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 21.4 | affected | semver | 21.4R3-S9 | Unavailable | None listed |
| 22.2 | affected | semver | 22.2R3-S5 | Unavailable | None listed |
| 22.3 | affected | semver | 22.3R3-S4 | Unavailable | None listed |
| 22.4 | affected | semver | 22.4R3-S5 | Unavailable | None listed |
| 23.2 | affected | semver | 23.2R2-S3 | Unavailable | None listed |
| 23.4 | affected | semver | 23.4R2-S3 | Unavailable | None listed |
| 24.2 | affected | semver | 24.2R1-S2, 24.2R2 | Unavailable | None listed |
| 0 | unaffected | semver | 21.3R1 | Unavailable | None listed |
Junos OS Evolved
- Vendor
- Juniper Networks
- Product
- Junos OS Evolved
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 21.4 | affected | semver | 21.4R3-S9-EVO | Unavailable | None listed |
| 22.2 | affected | semver | 22.2R3-S5-EVO | Unavailable | None listed |
| 22.3 | affected | semver | 22.3R3-S4-EVO | Unavailable | None listed |
| 22.4 | affected | semver | 22.4R3-S5-EVO | Unavailable | None listed |
| 23.2 | affected | semver | 23.2R2-S3-EVO | Unavailable | None listed |
| 23.4 | affected | semver | 23.4R2-S3-EVO | Unavailable | None listed |
| 24.2 | affected | semver | 24.2R1-S2-EVO, 24.2R2-EVO | Unavailable | None listed |
| 0 | unaffected | semver | 21.3R1-EVO | Unavailable | None listed |