{"id":"CVE-2019-6989","aliases":["EUVD-2019-16540","GHSA-hr74-2752-vc9x"],"status":"published","title":"TP-Link TL-WR940N is vulnerable to a stack-based buffer overflow, caused by improper bounds...","description":"TP-Link TL-WR940N is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the ipAddrDispose function. By sending specially crafted ICMP echo request packets, a remote authenticated attacker could overflow a buffer and execute arbitrary code on the system with elevated privileges.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.11374,"percentile":0.9602,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-787"],"published":"2019-06-06T17:24:50Z","modified":"2026-06-17T02:39:53Z","exploits":[{"source":"exploitdb","id":"EDB-46678","title":"TP-LINK TL-WR940N / TL-WR941ND - Buffer Overflow","type":"remote","platform":"hardware","date":"2019-04-09","url":"https://www.exploit-db.com/exploits/46678"}],"products":[{"vendor":"tp-link","product":"tl-wr940n_firmware"},{"vendor":"tp-link","product":"tl-wr941nd_firmware"}],"references":[{"url":"https://www.exploit-db.com/exploits/46678/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred"]},{"url":"http://packetstormsecurity.com/files/152458/TP-LINK-TL-WR940N-TL-WR941ND-Buffer-Overflow.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-6989"},{"url":"https://exchange.xforce.ibmcloud.com"},{"url":"https://github.com/advisories/GHSA-hr74-2752-vc9x"}],"sources":{"cve":[{"id":"CVE-2019-6989","description":"TP-Link TL-WR940N is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the ipAddrDispose function. By sending specially crafted ICMP echo request packets, a remote authenticated attacker could overflow a buffer and execute arbitrary code on the system with elevated privileges.","status":"published","published":"2019-06-06T17:24:50Z","modified":"2024-08-04T20:38:32.677Z","updated_at":"2026-11-02T14:20:23.048861Z"}],"euvd":[{"id":"EUVD-2019-16540","description":"TP-Link TL-WR940N is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the ipAddrDispose function. By sending specially crafted ICMP echo request packets, a remote authenticated attacker could overflow a buffer and execute arbitrary code on the system with elevated privileges.","status":"published","published":"2019-06-06T17:24:50Z","modified":"2024-08-04T20:38:32Z","updated_at":"2026-11-03T03:06:47.494697Z"}],"ghsa":[{"id":"GHSA-hr74-2752-vc9x","title":"TP-Link TL-WR940N is vulnerable to a stack-based buffer overflow, caused by improper bounds...","description":"TP-Link TL-WR940N is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the ipAddrDispose function. By sending specially crafted ICMP echo request packets, a remote authenticated attacker could overflow a buffer and execute arbitrary code on the system with elevated privileges.","status":"published","published":"2022-05-24T16:47:31Z","modified":"2023-01-28T05:05:44Z","updated_at":"2026-11-02T14:44:22.417327Z"}],"nvd":[{"id":"CVE-2019-6989","description":"TP-Link TL-WR940N is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the ipAddrDispose function. By sending specially crafted ICMP echo request packets, a remote authenticated attacker could overflow a buffer and execute arbitrary code on the system with elevated privileges.","status":"published","published":"2019-06-06T18:29:00.41Z","modified":"2026-06-17T02:39:53.067Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":9,"vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:05:16.285679Z"}]}}