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CVE-2025-30660— Junos OS: MX Series: Decapsulation of specific GRE packets leads to PFE reset

CVSS 7.5 · High EPSS 0.40% · P61
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I. Basic Information for CVE-2025-30660

Vulnerability Information
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Vulnerability Title
Junos OS: MX Series: Decapsulation of specific GRE packets leads to PFE reset
Source: NVD (National Vulnerability Database)
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
对因果或异常条件的不恰当检查
Source: NVD (National Vulnerability Database)
Vulnerability Title
Juniper Networks Junos OS 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Juniper Networks Junos OS是美国瞻博网络（Juniper Networks）公司的一套专用于该公司的硬件设备的网络操作系统。该操作系统提供了安全编程接口和Junos SDK。 Juniper Networks Junos OS存在代码问题漏洞，该漏洞源于对异常条件检查不当，可能导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
Juniper NetworksJunos OS 0 ~ 21.2R3-S9 -

II. Public POCs for CVE-2025-30660

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III. Intelligence Information for CVE-2025-30660

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Same Patch Batch · Juniper Networks · 2025-04-09 · 21 CVEs total

CVE-2025-306587.5 HIGHJunos OS: SRX Series: On devices with Anti-Virus enabled, malicious server responses will
CVE-2025-306597.5 HIGHJunos OS: SRX Series: A device configured for vector routing crashes when receiving malfor
CVE-2025-306567.5 HIGHJunos OS: MX Series, SRX Series: Processing of specific SIP INVITE messages by the SIP ALG
CVE-2025-215947.5 HIGHJunos OS: MX Series: In DS-lite and NAT scenario receipt of crafted IPv6 traffic causes po
CVE-2025-216017.5 HIGHJunos OS: SRX and EX Series, MX240, MX480, MX960, QFX5120 Series: When web management is e
CVE-2025-306447.5 HIGHJunos OS: EX2300, EX3400, EX4000 Series, QFX5k Series: Receipt of a specific DHCP packet c
CVE-2025-306457.5 HIGHJunos OS: SRX Series: Transmission of specific control traffic sent out of a DS-Lite tunne
CVE-2025-306517.5 HIGHJunos OS and Junos OS Evolved: Receipt of a specific ICMPv6 packet causes a memory overrun
CVE-2025-306497.5 HIGHJunos OS: MX240, MX480, MX960 with SPC3: An attacker sending specific packets will cause a
CVE-2025-215917.4 HIGHJunos OS: An unauthenticated adjacent attacker sending a malformed DHCP packet causes jdhc
CVE-2025-306487.4 HIGHJunos OS and Junos OS Evolved: Receipt of a specifically malformed DHCP packet causes jdhc
CVE-2025-306476.5 MEDIUMJunos OS: MX Series: Subscriber login/logout activity will lead to a memory leak
CVE-2025-306466.5 MEDIUMJunos OS and Junos OS Evolved: Receipt of a malformed LLDP TLV results in l2cpd crash
CVE-2025-306536.5 MEDIUMJunos OS and Junos OS Evolved: LSP flap in a specific MPLS scenario leads to rpd crash
CVE-2025-215956.5 MEDIUMJunos OS and Junos OS Evolved: In an EVPN-VXLAN scenario specific ARP or NDP packets cause
CVE-2025-306525.5 MEDIUMJunos OS and Junos OS Evolved: Executing a specific CLI command when asregex-optimized is
CVE-2025-306545.5 MEDIUMJunos OS and Junos OS Evolved: A local, low privileged user can access sensitive informati
CVE-2025-306555.5 MEDIUMJunos OS and Junos OS Evolved: A specific CLI command will cause an RPD crash when rib-sha
CVE-2025-215975.3 MEDIUMJunos OS and Junos OS Evolved: When BGP rib-sharding and update-threading are configured a
CVE-2025-306575.3 MEDIUMJunos OS: Processing of a specific BGP update causes the SRRD process to crash

IV. Related Vulnerabilities

Same product: Junos OS
Same vendor: Juniper Networks
Same weakness: CWE-754

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