{"id":"CVE-2011-1324","aliases":["EUVD-2011-1332","GHSA-4p8v-crr9-c3h6"],"status":"published","title":"Multiple cross-site request forgery (CSRF) vulnerabilities in the management screen on Buffalo...","description":"Multiple cross-site request forgery (CSRF) vulnerabilities in the management screen on Buffalo WHR, WZR2, WZR, WER, and BBR series routers with firmware 1.x; BHR-4RV and FS-G54 routers with firmware 2.x; and AS-100 routers allow remote attackers to hijack the authentication of administrators for requests that modify settings, as demonstrated by changing the login password.","severity":{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00475,"percentile":0.41303,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-352"],"published":"2011-05-09T19:00:00Z","modified":"2026-06-16T23:29:09Z","products":[{"vendor":"buffalotech","product":"as-100"},{"vendor":"buffalotech","product":"bbr-4hg"},{"vendor":"buffalotech","product":"bbr-4hg_firmware"},{"vendor":"buffalotech","product":"bbr-4mg"},{"vendor":"buffalotech","product":"bbr-4mg_firmware"},{"vendor":"buffalotech","product":"bhr-4rv"},{"vendor":"buffalotech","product":"bhr-4rv_firmware"},{"vendor":"buffalotech","product":"fs-g54"},{"vendor":"buffalotech","product":"fs-g54_firmware"},{"vendor":"buffalotech","product":"wer-a54g54"},{"vendor":"buffalotech","product":"wer-a54g54_firmware"},{"vendor":"buffalotech","product":"wer-ag54"},{"vendor":"buffalotech","product":"wer-ag54_firmware"},{"vendor":"buffalotech","product":"wer-am54g54"},{"vendor":"buffalotech","product":"wer-am54g54_firmware"},{"vendor":"buffalotech","product":"wer-amg54"},{"vendor":"buffalotech","product":"wer-amg54_firmware"},{"vendor":"buffalotech","product":"whr-am54g54"},{"vendor":"buffalotech","product":"whr-am54g54_firmware"},{"vendor":"buffalotech","product":"whr-amg54"},{"vendor":"buffalotech","product":"whr-amg54_firmware"},{"vendor":"buffalotech","product":"whr-ampg"},{"vendor":"buffalotech","product":"whr-ampg_firmware"},{"vendor":"buffalotech","product":"whr-g"},{"vendor":"buffalotech","product":"whr-g54s"},{"vendor":"buffalotech","product":"whr-g54s_firmware"},{"vendor":"buffalotech","product":"whr-g_firmware"},{"vendor":"buffalotech","product":"whr-hp-ampg"},{"vendor":"buffalotech","product":"whr-hp-ampg_firmware"},{"vendor":"buffalotech","product":"whr-hp-g"},{"vendor":"buffalotech","product":"whr-hp-g54"},{"vendor":"buffalotech","product":"whr-hp-g54_firmware"},{"vendor":"buffalotech","product":"whr-hp-g_firmware"},{"vendor":"buffalotech","product":"wzr-ampg144nh"},{"vendor":"buffalotech","product":"wzr-ampg144nh_firmware"},{"vendor":"buffalotech","product":"wzr-ampg300nh"},{"vendor":"buffalotech","product":"wzr-ampg300nh_firmware"},{"vendor":"buffalotech","product":"wzr-g144n"},{"vendor":"buffalotech","product":"wzr-g144n_firmware"},{"vendor":"buffalotech","product":"wzr-g144nh"},{"vendor":"buffalotech","product":"wzr-g144nh_firmware"},{"vendor":"buffalotech","product":"wzr2-g300n"},{"vendor":"buffalotech","product":"wzr2-g300n_firmware"}],"references":[{"url":"http://jvn.jp/en/jp/JVN50505257/index.html","tags":["third-party-advisory","x_refsource_JVN","x_transferred"]},{"url":"http://buffalo.jp/support_s/20080808/csrf.html","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1324"},{"url":"https://github.com/advisories/GHSA-4p8v-crr9-c3h6"}],"sources":{"cve":[{"id":"CVE-2011-1324","description":"Multiple cross-site request forgery (CSRF) vulnerabilities in the management screen on Buffalo WHR, WZR2, WZR, WER, and BBR series routers with firmware 1.x; BHR-4RV and FS-G54 routers with firmware 2.x; and AS-100 routers allow remote attackers to hijack the authentication of administrators for requests that modify settings, as demonstrated by changing the login password.","status":"published","published":"2011-05-09T19:00:00Z","modified":"2024-09-17T03:22:31.307Z","updated_at":"2026-11-02T14:35:38.321377Z"}],"euvd":[{"id":"EUVD-2011-1332","description":"Multiple cross-site request forgery (CSRF) vulnerabilities in the management screen on Buffalo WHR, WZR2, WZR, WER, and BBR series routers with firmware 1.x; BHR-4RV and FS-G54 routers with firmware 2.x; and AS-100 routers allow remote attackers to hijack the authentication of administrators for requests that modify settings, as demonstrated by changing the login password.","status":"published","published":"2011-05-09T19:00:00Z","modified":"2024-09-17T03:22:31Z","updated_at":"2026-11-03T00:28:32.482778Z"}],"ghsa":[{"id":"GHSA-4p8v-crr9-c3h6","title":"Multiple cross-site request forgery (CSRF) vulnerabilities in the management screen on Buffalo...","description":"Multiple cross-site request forgery (CSRF) vulnerabilities in the management screen on Buffalo WHR, WZR2, WZR, WER, and BBR series routers with firmware 1.x; BHR-4RV and FS-G54 routers with firmware 2.x; and AS-100 routers allow remote attackers to hijack the authentication of administrators for requests that modify settings, as demonstrated by changing the login password.","status":"published","published":"2022-05-17T05:41:14Z","modified":"2023-01-28T05:04:32Z","cwes":["CWE-352"],"updated_at":"2026-11-02T14:44:11.36375Z"}],"nvd":[{"id":"CVE-2011-1324","description":"Multiple cross-site request forgery (CSRF) vulnerabilities in the management screen on Buffalo WHR, WZR2, WZR, WER, and BBR series routers with firmware 1.x; BHR-4RV and FS-G54 routers with firmware 2.x; and AS-100 routers allow remote attackers to hijack the authentication of administrators for requests that modify settings, as demonstrated by changing the login password.","status":"published","published":"2011-05-09T19:55:03.507Z","modified":"2026-06-16T23:29:09.467Z","cvss":[{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:02:08.47516Z"}]}}