VYPR
← All advisories
Medium severity6.5NVD Advisory· Published Jul 11, 2025· Updated Jun 17, 2026

CVE-2025-52953

CVE-2025-52953

Description

An Expected Behavior Violation vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated adjacent attacker sending a valid BGP UPDATE packet to cause a BGP session reset, 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:

  • All versions before 21.2R3-S9,
  • from 21.4 before 21.4R3-S11,
  • from 22.2 before 22.2R3-S7,
  • from 22.4 before 22.4R3-S7,
  • from 23.2 before 23.2R2-S4,
  • from 23.4 before 23.4R2-S4,
  • from 24.2 before 24.2R2,
  • from 24.4 before 24.4R1-S3, 24.4R2

Junos OS Evolved:

  • All versions before 22.2R3-S7-EVO,
  • from 22.4-EVO before 22.4R3-S7-EVO,
  • from 23.2-EVO before 23.2R2-S4-EVO,
  • from 23.4-EVO before 23.4R2-S4-EVO,
  • from 24.2-EVO before 24.2R2-EVO,
  • from 24.4-EVO before 24.4R1-S3-EVO, 24.4R2-EVO.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Juniper Networks/OS Evolvedllm-fuzzy2 versions
    <22.2R3-S7-EVO, 22.4-EVO<22.4R3-S7-EVO, 23.2-EVO<23.2R2-S4-EVO, 23.4-EVO<23.4R2-S4-EVO, 24.2-EVO<24.2R2-EVO, 24.4-EVO<24.4R1-S3-EVO, 24.4R2-EVO+ 1 more
    • (no CPE)range: <22.2R3-S7-EVO, 22.4-EVO<22.4R3-S7-EVO, 23.2-EVO<23.2R2-S4-EVO, 23.4-EVO<23.4R2-S4-EVO, 24.2-EVO<24.2R2-EVO, 24.4-EVO<24.4R1-S3-EVO, 24.4R2-EVO
    • (no CPE)range: 0
  • Juniper Networks/Junosllm-fuzzy
    Range: <21.2R3-S9, 21.4<21.4R3-S11, 22.2<22.2R3-S7, 22.4<22.4R3-S7, 23.2<23.2R2-S4, 23.4<23.4R2-S4, 24.2<24.2R2, 24.4<24.4R1-S3, 24.4R2

Patches

Vulnerability mechanics

References

2

News mentions

0

No linked articles in our index yet.