{"id":"CVE-2025-6151","aliases":["EUVD-2025-18451","GHSA-pc68-4m2q-7jqf"],"status":"published","title":"TP-Link TL-WR940N, TL-WR841N WanSlaacCfgRpm.htm buffer overflow","description":"A vulnerability has been found in \nTP-Link TL-WR940N V4 and TL-WR841N V11. Affected by this issue is some unknown \nfunctionality of the file /userRpm/WanSlaacCfgRpm.htm, which may lead to buffer overflow. The attack may be \nlaunched remotely. This vulnerability only affects products that are no longer \nsupported by the maintainer.","severity":{"version":"4.0","score":8.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.04952,"percentile":0.92231,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-120"],"published":"2025-06-17T01:00:17Z","modified":"2026-06-17T10:01:16Z","products":[{"vendor":"tp-link","product":"tl-wr940n"},{"vendor":"tp-link","product":"tl-wr940n_firmware"},{"vendor":"tp-link systems inc.","product":"tl-wr841n v11"},{"vendor":"tp-link systems inc.","product":"tl-wr940n v4"}],"references":[{"url":"https://www.tp-link.com/us/support/faq/4536/"},{"url":"https://github.com/WhereisDoujo/CVE/issues/7","tags":["exploit","Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://vuldb.com/?id.312626","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://vuldb.com/?ctiid.312626","tags":["Permissions Required","VDB Entry"]},{"url":"https://vuldb.com/?submit.593031","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-6151"},{"url":"https://www.tp-link.com"},{"url":"https://www.tp-link.com/us/support/faq/4536"},{"url":"https://github.com/advisories/GHSA-pc68-4m2q-7jqf"}],"sources":{"cve":[{"id":"CVE-2025-6151","title":"TP-Link TL-WR940N, TL-WR841N WanSlaacCfgRpm.htm buffer overflow","description":"A vulnerability has been found in \nTP-Link TL-WR940N V4 and TL-WR841N V11. Affected by this issue is some unknown \nfunctionality of the file /userRpm/WanSlaacCfgRpm.htm, which may lead to buffer overflow. The attack may be \nlaunched remotely. This vulnerability only affects products that are no longer \nsupported by the maintainer.","status":"published","published":"2025-06-17T01:00:17.593Z","modified":"2025-07-15T18:49:38.224Z","cvss":[{"version":"4.0","score":8.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H","level":"high","assessor":"cna"}],"cwes":["CWE-120","CWE-119"],"updated_at":"2026-11-02T14:32:40.419293Z"}],"euvd":[{"id":"EUVD-2025-18451","description":"A vulnerability has been found in \nTP-Link TL-WR940N V4 and TL-WR841N V11. Affected by this issue is some unknown \nfunctionality of the file /userRpm/WanSlaacCfgRpm.htm, which may lead to buffer overflow. The attack may be \nlaunched remotely. This vulnerability only affects products that are no longer \nsupported by the maintainer.","status":"published","published":"2025-06-17T01:00:17Z","modified":"2025-07-15T18:49:38Z","cvss":[{"version":"4.0","score":8.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H","level":"high"}],"updated_at":"2026-11-02T20:32:08.210064Z"}],"ghsa":[{"id":"GHSA-pc68-4m2q-7jqf","title":"A vulnerability, which was classified as critical, has been found in TP-Link TL-WR940N V4....","description":"A vulnerability, which was classified as critical, has been found in TP-Link TL-WR940N V4. Affected by this issue is some unknown functionality of the file /userRpm/WanSlaacCfgRpm.htm. The manipulation of the argument dnsserver1 leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.","status":"published","published":"2025-06-17T03:31:45Z","modified":"2025-07-15T21:32:33Z","cvss":[{"version":"4.0","score":7.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-119","CWE-120"],"updated_at":"2026-11-02T15:03:01.660442Z"}],"nvd":[{"id":"CVE-2025-6151","description":"A vulnerability has been found in \nTP-Link TL-WR940N V4 and TL-WR841N V11. Affected by this issue is some unknown \nfunctionality of the file /userRpm/WanSlaacCfgRpm.htm, which may lead to buffer overflow. The attack may be \nlaunched remotely. This vulnerability only affects products that are no longer \nsupported by the maintainer.","status":"published","published":"2025-06-17T01:15:23.313Z","modified":"2026-06-17T10:01:16.42Z","cvss":[{"version":"4.0","score":8.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"}],"cwes":["CWE-119","CWE-120"],"updated_at":"2026-11-02T14:11:13.247441Z"}]}}