How severe is CVE-2025-30660?

This vulnerability has a severity rating of HIGH with a CVSS score of 7.5 out of 10.

What type of vulnerability is CVE-2025-30660?

This is classified as CWE-754, which is a common weakness in software security.

CVE-2025-30660 - HIGH Severity | CVSS 7.5

Vulnerability Description

An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS on MX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).When processing a high rate of specific GRE traffic destined to the device, the respective PFE will hang causing traffic forwarding to stop. When this issue occurs the following logs can be observed: <fpc #> MQSS(0): LI-3: Received a parcel with more than 512B accompanying data CHASSISD_FPC_ASIC_ERROR: ASIC Error detected <...> This issue affects Junos OS: * all versions before 21.2R3-S9, * 21.4 versions before 21.4R3-S8, * 22.2 versions before 22.2R3-S4, * 22.4 versions before 22.4R3-S5, * 23.2 versions before 23.2R2-S2, * 23.4 versions before 23.4R2.

Related Vulnerabilities

CVE-2016-8209

HIGH

CVSS:7.5(High)

Improper checks for unusual or exceptional conditions in Brocade NetIron 05.8.00 and later releases up to and including 06.1.00, when the Management Module is continuously scanned on port 22, may allo...

CWE-7542016

CVE-2017-10894

HIGH

CVSS:7.5(High)

StreamRelay.NET.exe ver2.14.0.7 and earlier allows remote attackers to cause a denial of service via unspecified vectors.

CWE-7542017

CVE-2017-10895

HIGH

CVSS:7.5(High)

sDNSProxy.exe ver1.1.0.0 and earlier allows remote attackers to cause a denial of service via unspecified vectors.

CWE-7542017

CVE-2017-11144

HIGH

CVSS:7.5(High)

In PHP before 5.6.31, 7.x before 7.0.21, and 7.1.x before 7.1.7, the openssl extension PEM sealing code did not check the return value of the OpenSSL sealing function, which could lead to a crash of t...

CWE-7542017

CVE-2017-12119

HIGH

CVSS:7.5(High)

An exploitable unhandled exception vulnerability exists in multiple APIs of CPP-Ethereum JSON-RPC. Specially crafted JSON requests can cause an unhandled exception resulting in denial of service. An a...

CWE-7542017

CVE-2017-17083

HIGH

CVSS:7.5(High)

In Wireshark 2.4.0 to 2.4.2 and 2.2.0 to 2.2.10, the NetBIOS dissector could crash. This was addressed in epan/dissectors/packet-netbios.c by ensuring that write operations are bounded by the beginnin...

CWE-7542017