CVE-2025-59958

CWE-7544 documents4 sources
Severity
6.9MEDIUM
EPSS
0.1%
top 82.46%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Juniper Networks Junos OS EvolvedJuniper Junos OS Evolved
Timeline
PublishedOct 9

Description

An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS Evolved on PTX Series allows an unauthenticated, network-based attacker to cause impact to confidentiality and availability. When an output firewall filter is configured with one or more terms where the action is 'reject', packets matching these terms are erroneously sent to the Routing Engine (RE) and further processed there. Processing of these packets will …

CVSS vector

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

Affected Packages2 packages

▶CVEListV5juniper_networks/junos_os_evolved23.2 — 23.2R2-EVO+1

🔴Vulnerability Details

2
CVEList
Junos OS Evolved: PTX Series: When a firewall filter rejects traffic these packets are erroneously sent to the RE↗2025-10-09
▶
GHSA
GHSA-v4g8-gwfh-3cj3: An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS Evolved on PT↗2025-10-09
▶

📋Vendor Advisories

1
Juniper
CVE-2025-59958: An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS Evolved on PT↗2025-10-09
▶
CVE-2025-59958 (MEDIUM CVSS 6.9) | An Improper Check for Unusual or Ex | cvebase.io