CVE-2025-52958 — Reachable Assertion in Networks Junos OS

CWE-617 — Reachable Assertion4 documents4 sources
Severity
6.0MEDIUMNVD
EPSS
0.0%
top 95.58%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Juniper Networks Junos OSJuniper Networks Junos OS EvolvedJuniper Junos+1 more
Timeline
PublishedJul 11

Description

A Reachable Assertion vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthenticated attacker to cause a Denial of Service (DoS).On all Junos OS and Junos OS Evolved devices, when route validation is enabled, a rare condition during BGP initial session establishment can lead to an rpd crash and restart. This occurs specifically when the connection request fails during error-handling scenario. Continued session establishme…

CVSS vector

CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L

Affected Packages4 packages

▶CVEListV5juniper_networks/junos_os_evolved22.4 — 22.4R3-S6-EVO+4
▶CVEListV5juniper_networks/junos_os22.4 — 22.4R3-S6+4
▶NVDjuniper/junos< 22.2+5

🔴Vulnerability Details

2
GHSA
GHSA-5694-q557-w4rg: A Reachable Assertion vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthe↗2025-07-11
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CVEList
Junos OS and Junos OS Evolved: When route validation is enabled, BGP connection establishment failure causes RPD crash↗2025-07-11
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📋Vendor Advisories

1
Juniper
CVE-2025-52958: A Reachable Assertion vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthe↗2025-07-11
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CVE-2025-52958 — Reachable Assertion | cvebase