{"id":"CVE-2015-6418","aliases":["EUVD-2015-6360","GHSA-9rcv-p8fh-p3ch"],"status":"published","title":"The random-number generator on Cisco Small Business RV routers 4.x and SA500 security appliances...","description":"The random-number generator on Cisco Small Business RV routers 4.x and SA500 security appliances 2.2.07 does not have sufficient entropy, which makes it easier for remote attackers to determine a TLS key pair via unspecified computations upon handshake key-exchange data, aka Bug ID CSCus15224.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01836,"percentile":0.79062,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2015-12-13T02:00:00Z","modified":"2026-06-17T00:30:51Z","products":[{"vendor":"cisco","product":"rv016_multi-wan_vpn_firmware"},{"vendor":"cisco","product":"rv042_dual_wan_vpn_router_firmware"},{"vendor":"cisco","product":"rv042g_dual_gigabit_wan_vpn_firmware"},{"vendor":"cisco","product":"rv082_dual_wan_vpn_router_firmware"},{"vendor":"cisco","product":"sa520"},{"vendor":"cisco","product":"sa520w"},{"vendor":"cisco","product":"sa540"}],"references":[{"url":"http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151210-dwvr","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id/1034408","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.securitytracker.com/id/1034409","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.securityfocus.com/bid/78876","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-6418"},{"url":"https://github.com/advisories/GHSA-9rcv-p8fh-p3ch"}],"sources":{"cve":[{"id":"CVE-2015-6418","description":"The random-number generator on Cisco Small Business RV routers 4.x and SA500 security appliances 2.2.07 does not have sufficient entropy, which makes it easier for remote attackers to determine a TLS key pair via unspecified computations upon handshake key-exchange data, aka Bug ID CSCus15224.","status":"published","published":"2015-12-13T02:00:00Z","modified":"2024-08-06T07:22:21.131Z","updated_at":"2026-11-02T14:35:42.680858Z"}],"euvd":[{"id":"EUVD-2015-6360","description":"The random-number generator on Cisco Small Business RV routers 4.x and SA500 security appliances 2.2.07 does not have sufficient entropy, which makes it easier for remote attackers to determine a TLS key pair via unspecified computations upon handshake key-exchange data, aka Bug ID CSCus15224.","status":"published","published":"2015-12-13T02:00:00Z","modified":"2024-08-06T07:22:21Z","updated_at":"2026-11-03T02:21:55.706543Z"}],"ghsa":[{"id":"GHSA-9rcv-p8fh-p3ch","title":"The random-number generator on Cisco Small Business RV routers 4.x and SA500 security appliances...","description":"The random-number generator on Cisco Small Business RV routers 4.x and SA500 security appliances 2.2.07 does not have sufficient entropy, which makes it easier for remote attackers to determine a TLS key pair via unspecified computations upon handshake key-exchange data, aka Bug ID CSCus15224.","status":"published","published":"2022-05-17T03:26:33Z","modified":"2023-01-27T05:07:53Z","cwes":["CWE-200"],"updated_at":"2026-11-02T14:43:12.437336Z"}],"nvd":[{"id":"CVE-2015-6418","description":"The random-number generator on Cisco Small Business RV routers 4.x and SA500 security appliances 2.2.07 does not have sufficient entropy, which makes it easier for remote attackers to determine a TLS key pair via unspecified computations upon handshake key-exchange data, aka Bug ID CSCus15224.","status":"published","published":"2015-12-13T03:59:09.477Z","modified":"2026-06-17T00:30:51.69Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:03:14.501367Z"}]}}