CVE-2019-5304: Huawei AR120-S Firmware

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

Some Huawei products have a buffer error vulnerability. An unauthenticated, remote attacker could send specific MPLS Echo Request messages to the target products. Due to insufficient input validation of some parameters in the messages, successful exploit may cause the device to reset.

Affected products

Huawei AR120-S Firmware: version v200r006c10 only; version v200r007c00 only; version v200r008c20 only; version v200r008c50 only
Huawei AR1200-S Firmware: version v200r003c01 only; version v200r005c20 only; version v200r006c10 only; version v200r007c00 only; version v200r008c20 only; version v200r008c50 only
Huawei AR1200 Firmware: version v200r003c01 only; version v200r005c20 only; version v200r006c10 only; version v200r007c00 only; version v200r008c20 only; version v200r008c50 only
Huawei AR150-S Firmware: version v200r003c01 only; version v200r005c20 only; version v200r006c10 only; version v200r007c00 only; version v200r008c20 only; version v200r008c50 only
Huawei AR150 Firmware: version v200r003c01 only; version v200r005c20 only; version v200r006c10 only; version v200r007c00 only; version v200r008c20 only; version v200r008c50 only
Huawei AR160 Firmware: version v200r005c20 only; version v200r006c10 only; version v200r007c00 only; version v200r008c20 only; version v200r008c50 only
Huawei AR200-S Firmware: version v200r003c01 only; version v200r005c20 only; version v200r006c10 only; version v200r007c00 only; version v200r008c20 only; version v200r008c50 only
Huawei AR200 Firmware: version v200r003c01 only; version v200r005c20 only; version v200r006c10 only; version v200r007c00 only; version v200r008c20 only; version v200r008c50 only
Huawei AR2200-S Firmware: version v200r003c01 only; version v200r005c20 only; version v200r006c10 only; version v200r008c20 only; version v200r008c50 only
Huawei AR2200 Firmware: version v200r003c01 only; version v200r005c20 only; version v200r006c10 only; version v200r007c00 only; version v200r008c20 only; version v200r008c50 only
Huawei AR3200 Firmware: version v200r003c01 only; version v200r005c20 only; version v200r006c10 only; version v200r007c00 only; version v200r008c20 only; version v200r008c50 only
Huawei AR3600 Firmware: version v200r006c10 only; version v200r007c00 only; version v200r008c20 only; version v200r008c50 only
Huawei Ips Module Firmware: version v500r001c20 only; version v500r001c30 only
Huawei NETENGINE16EX Firmware: version v200r005c20 only; version v200r006c10 only; version v200r007c00 only; version v200r008c20 only; version v200r008c50 only
Huawei Ngfw Module Firmware: version v500r001c20 only; version v500r002c00 only
Huawei NIP6300 Firmware: version v500r001c20 only; version v500r001c30 only
Huawei NIP6600 Firmware: version v500r001c20 only; version v500r001c30 only
Huawei s5700 Firmware: version v200r005c00 only; version v200r005c02 only; version v200r005c03 only; version v200r006c00 only; version v200r007c00 only; version v200r008c00 only; …
Huawei s6700 Firmware: version v200r005c00 only; version v200r005c01 only; version v200r005c02 only; version v200r008c00 only; version v200r010c00 only; version v200r011c00 only
Huawei Secospace ANTIDDOS8000 Firmware: version v500r001c20 only; version v500r001c60 only; version v500r005c00 only
Huawei Secospace USG6300 Firmware: version v500r001c20 only; version v500r001c30 only
Huawei Secospace USG6500 Firmware: version v500r001c20 only; version v500r001c30 only
Huawei Secospace USG6600 Firmware: version v500r001c20 only; version v500r001c30 only
Huawei SRG1300 Firmware: version v200r003c01 only; version v200r005c20 only; version v200r006c10 only; version v200r007c00 only; version v200r008c20 only; version v200r008c50 only
Huawei SRG2300 Firmware: version v200r003c01 only; version v200r005c20 only; version v200r006c10 only; version v200r007c00 only; version v200r008c20 only; version v200r008c50 only
and 1 more

Published 2020-01-03. Last modified 2026-06-17.