Cisco NX-OS Buffer Access with Incorrect Length Value (CVE-2024-20294)

A vulnerability in the Link Layer Discovery Protocol LLDP feature of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper handling of specific fields i...

CVE-2024-20294

A vulnerability in the Link Layer Discovery Protocol LLDP feature of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper handling of specific fields i...

CVE-2022-23687

Multiple vulnerabilities exist in the processing of packet data by the LLDP service of AOS-CX. Successful exploitation of these vulnerabilities may allow an attacker to impact the availability of the AOS-CX LLDP service and/or the management plane of the switch in ArubaOS-CX Switches versions:...

CVE-2022-20686

Multiple vulnerabilities in the Link Layer Discovery Protocol LLDP functionality of Cisco ATA 190 Series Analog Telephone Adapter firmware could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device and cause the LLDP service to restart. These vulnerabilities a...

CVE-2022-23686

Multiple vulnerabilities exist in the processing of packet data by the LLDP service of AOS-CX. Successful exploitation of these vulnerabilities may allow an attacker to impact the availability of the AOS-CX LLDP service and/or the management plane of the switch in ArubaOS-CX Switches versions:...

CVE-2021-25849

An integer underflow was discovered in userdisk/vportlldpd in Moxa Camera VPort 06EC-2V Series, version 1.1, improper validation of the PortID TLV leads to Denial of Service via a crafted lldp packet...

CVE-2021-25847

Improper validation of the length field of LLDP-MED TLV in userdisk/vportlldpd in Moxa Camera VPort 06EC-2V Series, version 1.1, allows information disclosure to attackers due to controllable loop counter variable via a crafted lldp packet...

CVE-2021-25848

Improper validation of the length field of LLDP-MED TLV in userdisk/vportlldpd in Moxa Camera VPort 06EC-2V Series, version 1.1, allows information disclosure to attackers due to using fixed loop counter variable without checking the actual available length via a crafted lldp packet...

CVE-2021-33315

The TRENDnet TI-PG1284i switchhw v2.0R prior to version 2.0.2.S0 suffers from an integer underflow vulnerability. This vulnerability exists in its lldp related component. Due to lack of proper validation on length field of PortID TLV, by sending a crafted lldp packet to the device, integer...

CVE-2021-20024

Multiple Out-of-Bound read vulnerability in SonicWall Switch when handling LLDP Protocol allows an attacker to cause a system instability or potentially read sensitive information from the memory locations...

CVE-2021-25846

Improper validation of the ChassisID TLV in userdisk/vportlldpd in Moxa Camera VPort 06EC-2V Series, version 1.1, allows attackers to cause a denial of service due to a negative number passed to the memcpy function via a crafted lldp packet...

CVE-2020-7121

Two memory corruption vulnerabilities in the Aruba CX Switches Series 6200F, 6300, 6400, 8320, 8325, and 8400 have been found. Successful exploitation of these vulnerabilities could result in Local Denial of Service of the LLDP Link Layer Discovery Protocol process in the switch. This applies to...

CVE-2011-1640

The ethernet-lldp component in Cisco IOS 12.2 before 12.233SXJ1 does not properly support a large number of LLDP Management Address MA TLVs, which allows remote attackers to cause a denial of service device crash via crafted LLDPDUs, aka Bug ID CSCtj22354...

CVE-2025-30646

A Signed to Unsigned Conversion Error vulnerability in the Layer 2 Control Protocol daemon l2cpd of Juniper Networks Junos OS and Juniper Networks Junos OS Evolved allows an unauthenticated adjacent attacker sending a specifically malformed LLDP TLV to cause the l2cpd process to crash and restart...

CVE-2025-30646

A Signed to Unsigned Conversion Error vulnerability in the Layer 2 Control Protocol daemon l2cpd of Juniper Networks Junos OS and Juniper Networks Junos OS Evolved allows an unauthenticated adjacent attacker sending a specifically malformed LLDP TLV to cause the l2cpd process to crash and restart...

CVE-2025-30646

A Signed to Unsigned Conversion Error vulnerability in the Layer 2 Control Protocol daemon l2cpd of Juniper Networks Junos OS and Juniper Networks Junos OS Evolved allows an unauthenticated adjacent attacker sending a specifically malformed LLDP TLV to cause the l2cpd process to crash and restart...

CVE-2025-30646 Junos OS and Junos OS Evolved: Receipt of a malformed LLDP TLV results in l2cpd crash

A Signed to Unsigned Conversion Error vulnerability in the Layer 2 Control Protocol daemon l2cpd of Juniper Networks Junos OS and Juniper Networks Junos OS Evolved allows an unauthenticated adjacent attacker sending a specifically malformed LLDP TLV to cause the l2cpd process to crash and restart...

CVE-2025-30646

CVE-2025-30646 affects Junos OS and Junos OS Evolved. A Signed to Unsigned Conversion Error in the Layer 2 Control Protocol daemon (l2cpd) allows an unauthenticated adjacent attacker to cause the l2cpd process to crash and restart by sending a specially formed LLDP TLV, yielding a Denial of Servi...

CVE-2025-30646 Junos OS and Junos OS Evolved: Receipt of a malformed LLDP TLV results in l2cpd crash

A Signed to Unsigned Conversion Error vulnerability in the Layer 2 Control Protocol daemon l2cpd of Juniper Networks Junos OS and Juniper Networks Junos OS Evolved allows an unauthenticated adjacent attacker sending a specifically malformed LLDP TLV to cause the l2cpd process to crash and restart...

PT-2025-15854 · Juniper Networks · Junos Evolved +1

Name of the Vulnerable Software and Affected Versions: Junos OS versions prior to 21.2R3-S9 Junos OS versions from 21.4 before 21.4R3-S10 Junos OS versions from 22.2 before 22.2R3-S6 Junos OS versions from 22.4 before 22.4R3-S6 Junos OS versions from 23.2 before 23.2R2-S3 Junos OS versions from...