{"id":"CVE-2021-30230","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-30230","generatedAt":"2026-10-27T20:23:03.013Z","title":"The api/ZRFirmware/set_time_zone interface in China Mobile An Lianbao WF-1 router 1.0.1 allows remote attackers to execute arbitrary commands via shell metacharacters in the zonename parameter.","description":"The api/ZRFirmware/set_time_zone interface in China Mobile An Lianbao WF-1 router 1.0.1 allows remote attackers to execute arbitrary commands via shell metacharacters in the zonename parameter.","published":"2021-04-29T16:15:10.000Z","lastModified":"2026-06-17T03:49:54.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-78"],"affected":["chinamobile/an lianbao wf-1 firmware"],"epss":{"score":0.0327,"percentile":0.88317,"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 (3.27%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://iot.10086.cn/?l=en-us","tags":["Product"],"source":"cve@mitre.org"},{"url":"https://github.com/pokerfacett/MY_REQUEST/blob/master/China%20Mobile%20An%20Lianbao%20WF-1%20router%20Command%20Injection5.md","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.cnvd.org.cn/flaw/show/CNVD-2021-03520","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://iot.10086.cn/?l=en-us","tags":["Product"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/pokerfacett/MY_REQUEST/blob/master/China%20Mobile%20An%20Lianbao%20WF-1%20router%20Command%20Injection5.md","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cnvd.org.cn/flaw/show/CNVD-2021-03520","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-30230","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."}