{"id":"CVE-2021-33964","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-33964","generatedAt":"2026-10-27T21:19:42.249Z","title":"China Mobile An Lianbao WF-1 V1.0.1 router provides a web interface /api/ZRRuleFilter/set_firewall_level which receives parameters by POST request, and the parameter firewall_level has a command injection vulnerability.","description":"China Mobile An Lianbao WF-1 V1.0.1 router provides a web interface /api/ZRRuleFilter/set_firewall_level which receives parameters by POST request, and the parameter firewall_level has a command injection vulnerability. An attacker can use the vulnerability to execute remote commands.","published":"2022-01-18T12:15:08.000Z","lastModified":"2026-06-17T03:55:25.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-77"],"affected":["chinamobile/an lianbao wf-1 firmware"],"epss":{"score":0.02871,"percentile":0.86706,"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 (2.87%). 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","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/China%20Mobile%20An%20Lianbao%20WF-1%20router%20Command%20Injection11.md","tags":["Broken Link"],"source":"cve@mitre.org"},{"url":"https://www.cnvd.org.cn/flaw/show/CNVD-2021-03520","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://www.ebuy7.com/item/china-mobile-wireless-router-qualcomm-qiki-wifi6-routing-mesh-network-home-5g-dual-frequency-double-gigabit-port-wall-wall-high-speed-%E2%80%8B%E2%80%8Bhigh-power-enhanced-dormitory-students-an-lianbao-wf-1-628692180620","tags":["Broken Link"],"source":"cve@mitre.org"},{"url":"http://iot.10086.cn/?l=en-us","tags":["Product","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/China%20Mobile%20An%20Lianbao%20WF-1%20router%20Command%20Injection11.md","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cnvd.org.cn/flaw/show/CNVD-2021-03520","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.ebuy7.com/item/china-mobile-wireless-router-qualcomm-qiki-wifi6-routing-mesh-network-home-5g-dual-frequency-double-gigabit-port-wall-wall-high-speed-%E2%80%8B%E2%80%8Bhigh-power-enhanced-dormitory-students-an-lianbao-wf-1-628692180620","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-33964","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."}