{"id":"CVE-2018-7921","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-7921","generatedAt":"2026-10-28T22:41:39.342Z","title":"Huawei B315s-22 products with software of 21.318.01.00.26 have an information leak vulnerability.","description":"Huawei B315s-22 products with software of 21.318.01.00.26 have an information leak vulnerability. Unauthenticated adjacent attackers may exploit this vulnerability to obtain device information.","published":"2018-09-12T15:29:01.000Z","lastModified":"2026-06-17T02:03:57.000Z","status":"Modified","sourceIdentifier":"psirt@huawei.com","cvss":{"version":"3.0","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-200"],"affected":["huawei/b315s-22 firmware"],"epss":{"score":0.13219,"percentile":0.96354,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.10231,"percentile":0.95526},{"date":"2026-09-22","score":0.13219,"percentile":0.96197}]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2018-12-11","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":45971,"kind":"exploit","title":"Huawei B315s-22 - Information Leak","url":"https://www.exploit-db.com/exploits/45971","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/hardware/webapps/45971.txt","file":"exploits/hardware/webapps/45971.txt","published":"2018-12-11","added":"2018-12-11","updated":"2018-12-12","author":"Usman Saeed","type":"webapps","platform":"hardware","port":80,"verified":false,"codes":["CVE-2018-7921"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 13.2%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://www.exploit-db.com/exploits/45971/","source":"psirt@huawei.com"},{"url":"https://www.huawei.com/en/psirt/security-notices/huawei-sn-20180903-01-b315s-en","tags":["Vendor Advisory"],"source":"psirt@huawei.com"},{"url":"https://www.exploit-db.com/exploits/45971/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.huawei.com/en/psirt/security-notices/huawei-sn-20180903-01-b315s-en","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-7921","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."}