Juniper Junos OS Evolved vulnerabilities

CVE-2024-39543 [MEDIUM] CWE-120 CVE-2024-39543: A Buffer Copy without Checking Size of Input vulnerability in the routing protocol daemon (rpd) of J A Buffer Copy without Checking Size of Input vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Juniper Networks Junos OS Evolved allows an unauthenticated, adjacent attacker to send specific RPKI-RTR packets resulting in a crash, creating a Denial of Service (DoS) condition. Continued receipt and processing of this

CVE-2024-39535 [MEDIUM] CWE-754 CVE-2024-39535: An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engin An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS Evolved on ACX 7000 Series allows an unauthenticated, adjacent attacker to cause a Denial-of-Service (DoS). When a device has a Layer 3 or an IRB interface configured in a VPLS instance and specific traffic is rec

CVE-2025-52955 [MEDIUM] CWE-131 CVE-2025-52955: An Incorrect Calculation of Buffer Size vulnerability in the routing protocol daemon (rpd) of Junipe An Incorrect Calculation of Buffer Size vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent unauthenticated attacker to cause a memory corruption that leads to a rpd crash. When the logical interface using a routing instance flaps continuously, specific updates are sent to the jfl

CVE-2023-44204 [MEDIUM] CWE-1286 CVE-2023-44204: An Improper Validation of Syntactic Correctness of Input vulnerability in Routing Protocol Daemon ( An Improper Validation of Syntactic Correctness of Input vulnerability in Routing Protocol Daemon (rpd) Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network based attacker to cause a Denial of Service (DoS). When a malformed BGP UPDATE packet is received over an established BGP session, the rpd crashes and restarts. Th

CVE-2025-21595 [MEDIUM] CWE-401 CVE-2025-21595: A Missing Release of Memory after Effective Lifetime vulnerability in the Packet Forwarding Engine ( A Missing Release of Memory after Effective Lifetime vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthenticated attacker to cause an FPC to crash, leading to Denial of Service (DoS). On all Junos OS and Junos OS Evolved platforms, in an EVPN-VXLAN scenario, when specific

CVE-2024-39519 [MEDIUM] CWE-754 CVE-2024-39519: An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engin An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS Evolved on ACX7000 Series allows an unauthenticated, adjacent attacker to cause a Denial-of-Service (DoS). On all ACX 7000 Series platforms running Junos OS Evolved, and configured with IRBs, if a Customer Edge

CVE-2026-21909 [MEDIUM] CWE-401 CVE-2026-21909: A Missing Release of Memory after Effective Lifetime vulnerability in the routing protocol daemon (r A Missing Release of Memory after Effective Lifetime vulnerability in the routing protocol daemon (rpd) Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated attacker controlling an adjacent IS-IS neighbor to send a specific update packet causing a memory leak. Continued receipt and processing of these packets will exhaust all ava

CVE-2025-21593 [MEDIUM] CWE-664 CVE-2025-21593: An Improper Control of a Resource Through its Lifetime vulnerability in the routing protocol daemon An Improper Control of a Resource Through its Lifetime vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network-based attacker to cause a Denial-of-Service (DoS). On devices with SRv6 (Segment Routing over IPv6) enabled, an attacker can send a malformed BGP UPDATE packet w

CVE-2025-59969 [MEDIUM] CWE-120 CVE-2025-59969: A Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in the advanc A Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in the advanced forwarding toolkit (evo-aftmand/evo-pfemand) of Juniper Networks Junos OS Evolved on PTX Series or QFX5000 Series allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS).An attacker sending crafted multicast packets will cau

CVE-2022-22169 [MEDIUM] CWE-665 CVE-2022-22169: An Improper Initialization vulnerability in the routing protocol daemon (rpd) of Juniper Networks Ju An Improper Initialization vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an attacker who sends specific packets in certain orders and at specific timings to force OSPFv3 to unexpectedly enter graceful-restart (GR helper mode) even though there is not any Grace-LSA received in OSPFv3 causi

CVE-2024-39528 [MEDIUM] CWE-416 CVE-2024-39528: A Use After Free vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and A Use After Free vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an authenticated, network-based attacker to cause a Denial of Service (DoS).On all Junos OS and Junos Evolved platforms, if a routing-instance deactivation is triggered, and at the same time a specific SNMP request is received

CVE-2022-22227 [MEDIUM] CWE-754 CVE-2022-22227: An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engin An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS Evolved on ACX7000 Series allows an unauthenticated network-based attacker to cause a partial Denial of Service (DoS). On receipt of specific IPv6 transit traffic, Junos OS Evolved on ACX7100-48L, ACX7100-32C and A

CVE-2024-30390 [MEDIUM] CWE-307 CVE-2024-30390: An Improper Restriction of Excessive Authentication Attempts vulnerability in Juniper Networks Junos An Improper Restriction of Excessive Authentication Attempts vulnerability in Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to cause a limited Denial of Service (DoS) to the management plane. When an incoming connection was blocked because it exceeded the connections-per-second rate-limit, the system doesn't co

CVE-2023-28978 [MEDIUM] CWE-1188 CVE-2023-28978: An Insecure Default Initialization of Resource vulnerability in Juniper Networks Junos OS Evolved al An Insecure Default Initialization of Resource vulnerability in Juniper Networks Junos OS Evolved allows an unauthenticated, network based attacker to read certain confidential information. In the default configuration it is possible to read confidential information about locally configured (administrative) users of the affected system. This issue

CVE-2023-44195 [MEDIUM] CWE-923 CVE-2023-44195: An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in the Network An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in the NetworkStack agent daemon (nsagentd) of Juniper Networks Junos OS Evolved allows an unauthenticated network based attacker to cause limited impact to the availability of the system. If specific packets reach the Routing-Engine (RE) these will be processed nor

CVE-2025-52985 [MEDIUM] CWE-480 CVE-2025-52985: A Use of Incorrect Operator vulnerability in the Routing Engine firewall of Juniper Networks Junos A Use of Incorrect Operator vulnerability in the Routing Engine firewall of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to bypass security restrictions. When a firewall filter which is applied to the lo0 or re:mgmt interface references a prefix list with 'from prefix-list', and that prefix list contains more t

CVE-2024-39526 [MEDIUM] CWE-755 CVE-2024-39526: An Improper Handling of Exceptional Conditions vulnerability in packet processing of Juniper Network An Improper Handling of Exceptional Conditions vulnerability in packet processing of Juniper Networks Junos OS on MX Series with MPC10/MPC11/LC9600 line cards, EX9200 with EX9200-15C lines cards, MX304 devices, and Juniper Networks Junos OS Evolved on PTX Series, allows an attacker sending malformed DHCP packets to cause ingress packet processing to

CVE-2024-30380 [MEDIUM] CWE-755 CVE-2024-30380: An Improper Handling of Exceptional Conditions vulnerability in Juniper Networks Junos OS and Junos An Improper Handling of Exceptional Conditions vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows an adjacent unauthenticated attacker to cause a Denial of Service (DoS), which causes the l2cpd process to crash by sending a specific TLV. The l2cpd process is responsible for layer 2 control protocols, such as STP, RSTP, MSTP, VSTP

CVE-2023-22407 [MEDIUM] CWE-459 CVE-2023-22407: An Incomplete Cleanup vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos O An Incomplete Cleanup 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). An rpd crash can occur when an MPLS TE tunnel configuration change occurs on a directly connected router. This issue affects: Juniper Networks Juno

CVE-2023-22406 [MEDIUM] CWE-401 CVE-2023-22406: A Missing Release of Memory after Effective Lifetime vulnerability in the kernel of Juniper Networks A Missing Release of Memory after Effective Lifetime vulnerability in the kernel of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthenticated attacker to cause a Denial of Service (DoS). In a segment-routing scenario with OSPF as IGP, when a peer interface continuously flaps, next-hop churn will happen and a continuous incre