{"id":"CVE-2019-5986","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-5986","generatedAt":"2026-10-27T23:36:30.682Z","title":"Cross-site request forgery (CSRF) vulnerability in Hikari Denwa router/Home GateWay (Hikari Denwa router/Home GateWay provided by NIPPON TELEGRAPH AND TELEPHONE EAST CORPORATION PR-S300NE/RT-S300NE/RV-S340NE firmware version Ver.","description":"Cross-site request forgery (CSRF) vulnerability in Hikari Denwa router/Home GateWay (Hikari Denwa router/Home GateWay provided by NIPPON TELEGRAPH AND TELEPHONE EAST CORPORATION PR-S300NE/RT-S300NE/RV-S340NE firmware version Ver. 19.41 and earlier, PR-S300HI/RT-S300HI/RV-S340HI firmware version Ver.19.01.0005 and earlier, PR-S300SE/RT-S300SE/RV-S340SE firmware version Ver.19.40 and earlier, PR-400NE/RT-400NE/RV-440NE firmware version Ver.7.42 and earlier, PR-400KI/RT-400KI/RV-440KI firmware version Ver.07.00.1010 and earlier, PR-400MI/RT-400MI/RV-440MI firmware version Ver. 07.00.1012 and earlier, PR-500KI/RT-500KI firmware version Ver.01.00.0090 and earlier, RS-500KI firmware version Ver.01.00.0070 and earlier, PR-500MI/RT-500MI firmware version Ver.01.01.0014 and earlier, and RS-500MI firmware version Ver.03.01.0019 and earlier, and Hikari Denwa router/Home GateWay provided by NIPPON TELEGRAPH AND TELEPHONE WEST CORPORATION PR-S300NE/RT-S300NE/RV-S340NE firmware version Ver. 19.41 and earlier, PR-S300HI/RT-S300HI/RV-S340HI firmware version Ver.19.01.0005 and earlier, PR-S300SE/RT-S300SE/RV-S340SE firmware version Ver.19.40 and earlier, PR-400NE/RT-400NE/RV-440NE firmware version Ver.7.42 and earlier, PR-400KI/RT-400KI/RV-440KI firmware version Ver.07.00.1010 and earlier, PR-400MI/RT-400MI/RV-440MI firmware version Ver. 07.00.1012 and earlier, PR-500KI/RT-500KI firmware version Ver.01.00.0090 and earlier, and PR-500MI/RT-500MI firmware version Ver.01.01.0011 and earlier) allow remote attackers to hijack the authentication of administrators via unspecified vectors.","published":"2019-09-12T17:15:14.000Z","lastModified":"2026-06-17T02:38:31.000Z","status":"Modified","sourceIdentifier":"vultures@jpcert.or.jp","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-352"],"affected":["ntt-east/pr-s300ne firmware","ntt-east/rt-s300ne firmware","ntt-east/rv-s340ne firmware","ntt-east/pr-s300hi firmware","ntt-east/rt-s300hi firmware","ntt-east/rv-s340hi firmware","ntt-east/pr-s300se firmware","ntt-east/rt-s300se firmware","ntt-east/rv-s340se firmware","ntt-east/pr-400ne firmware","ntt-east/rt-400ne firmware","ntt-east/rv-440ne firmware","ntt-east/pr-400ki firmware","ntt-east/rt-400ki firmware","ntt-east/rv-440ki firmware","ntt-east/pr-400mi firmware","ntt-east/rt-400mi firmware","ntt-east/rv-440mi firmware","ntt-east/pr-500ki firmware","ntt-east/rt-500ki firmware","ntt-east/rs-500ki firmware","ntt-east/pr-500mi firmware","ntt-east/rt-500mi firmware","ntt-east/rs-500mi firmware","ntt-west/pr-s300ne firmware","ntt-west/rt-s300ne firmware","ntt-west/rv-s340ne firmware","ntt-west/pr-s300hi firmware","ntt-west/rt-s300hi firmware","ntt-west/rv-s340hi firmware","ntt-west/pr-s300se firmware","ntt-west/rt-s300se firmware","ntt-west/rv-s340se firmware","ntt-west/pr-400ne firmware","ntt-west/rt-400ne firmware","ntt-west/rv-440ne firmware","ntt-west/pr-400ki firmware","ntt-west/rt-400ki firmware","ntt-west/rv-440ki firmware","ntt-west/pr-400mi firmware","ntt-west/rt-400mi firmware","ntt-west/rv-440mi firmware","ntt-west/pr-500ki firmware","ntt-west/rt-500ki firmware","ntt-west/pr-500mi firmware","ntt-west/rt-500mi firmware"],"epss":{"score":0.00781,"percentile":0.55686,"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 (0.78%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://jvn.jp/en/jp/JVN43172719/index.html","tags":["Third Party Advisory","VDB Entry"],"source":"vultures@jpcert.or.jp"},{"url":"https://www.ntt-west.co.jp/kiki/support/flets/hgw/190626.html","tags":["Vendor Advisory"],"source":"vultures@jpcert.or.jp"},{"url":"http://jvn.jp/en/jp/JVN43172719/index.html","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.ntt-west.co.jp/kiki/support/flets/hgw/190626.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-5986","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."}