{"id":"CVE-2019-5304","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-5304","generatedAt":"2026-10-27T23:38:09.215Z","title":"Some Huawei products have a buffer error vulnerability.","description":"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.","published":"2020-01-03T15:15:12.000Z","lastModified":"2026-06-17T02:37:29.000Z","status":"Modified","sourceIdentifier":"psirt@huawei.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-120"],"affected":["huawei/ar120-s firmware","huawei/ar1200 firmware","huawei/ar1200-s firmware","huawei/ar150 firmware","huawei/ar150-s firmware","huawei/ar160 firmware","huawei/ar200 firmware","huawei/ar200-s firmware","huawei/ar2200 firmware","huawei/ar2200-s firmware","huawei/ar3200 firmware","huawei/ar3600 firmware","huawei/ips module firmware","huawei/ngfw module firmware","huawei/nip6300 firmware","huawei/nip6600 firmware","huawei/netengine16ex firmware","huawei/s5700 firmware","huawei/s6700 firmware","huawei/srg1300 firmware","huawei/srg2300 firmware","huawei/srg3300 firmware","huawei/secospace antiddos8000 firmware","huawei/secospace usg6300 firmware","huawei/secospace usg6500 firmware","huawei/secospace usg6600 firmware"],"epss":{"score":0.00971,"percentile":0.61687,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.97%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200102-01-buffer-en","tags":["Vendor Advisory"],"source":"psirt@huawei.com"},{"url":"https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200102-01-buffer-en","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-5304","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}