{"id":"CVE-2021-35004","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-35004","generatedAt":"2026-10-27T20:54:28.043Z","title":"This vulnerability allows remote attackers to execute arbitrary code on affected installations of TP-Link TL-WA1201 1.0.1 Build 20200709 rel.66244(5553) wireless access points.","description":"This vulnerability allows remote attackers to execute arbitrary code on affected installations of TP-Link TL-WA1201 1.0.1 Build 20200709 rel.66244(5553) wireless access points. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of DNS responses. A crafted DNS message can trigger an overflow of a fixed-length, stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-14656.","published":"2022-01-21T16:15:08.000Z","lastModified":"2026-06-17T03:56:58.000Z","status":"Modified","sourceIdentifier":"zdi-disclosures@trendmicro.com","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-121"],"affected":["tp-link/tl-wa1201 firmware"],"epss":{"score":0.07743,"percentile":0.94592,"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 (7.74%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-081/","tags":["Third Party Advisory","VDB Entry"],"source":"zdi-disclosures@trendmicro.com"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-081/","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-35004","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."}