{"id":"CVE-2015-7286","aliases":["EUVD-2015-7217","GHSA-fggh-wvvr-32q2"],"status":"published","title":"CSL DualCom GPRS CS2300-R devices with firmware 1.25 through 3.53 rely on a polyalphabetic...","description":"CSL DualCom GPRS CS2300-R devices with firmware 1.25 through 3.53 rely on a polyalphabetic substitution cipher with hardcoded keys, which makes it easier for remote attackers to defeat a cryptographic protection mechanism by capturing IP or V.22bis PSTN protocol traffic.","severity":{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.02118,"percentile":0.81961,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-310"],"published":"2015-11-25T02:00:00Z","modified":"2026-06-17T00:32:11Z","products":[{"vendor":"csl_dualcom","product":"gprs_cs2300-r_firmware"}],"references":[{"url":"http://www.kb.cert.org/vuls/id/428280","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"http://cybergibbons.com/?p=2844","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://www.kb.cert.org/vuls/id/BLUU-A3NQAL","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-7286"},{"url":"https://github.com/advisories/GHSA-fggh-wvvr-32q2"}],"sources":{"cve":[{"id":"CVE-2015-7286","description":"CSL DualCom GPRS CS2300-R devices with firmware 1.25 through 3.53 rely on a polyalphabetic substitution cipher with hardcoded keys, which makes it easier for remote attackers to defeat a cryptographic protection mechanism by capturing IP or V.22bis PSTN protocol traffic.","status":"published","published":"2015-11-25T02:00:00Z","modified":"2024-08-06T07:43:46.156Z","updated_at":"2026-11-02T14:35:44.744952Z"}],"euvd":[{"id":"EUVD-2015-7217","description":"CSL DualCom GPRS CS2300-R devices with firmware 1.25 through 3.53 rely on a polyalphabetic substitution cipher with hardcoded keys, which makes it easier for remote attackers to defeat a cryptographic protection mechanism by capturing IP or V.22bis PSTN protocol traffic.","status":"published","published":"2015-11-25T02:00:00Z","modified":"2024-08-06T07:43:46Z","updated_at":"2026-11-03T02:21:52.959489Z"}],"ghsa":[{"id":"GHSA-fggh-wvvr-32q2","title":"CSL DualCom GPRS CS2300-R devices with firmware 1.25 through 3.53 rely on a polyalphabetic...","description":"CSL DualCom GPRS CS2300-R devices with firmware 1.25 through 3.53 rely on a polyalphabetic substitution cipher with hardcoded keys, which makes it easier for remote attackers to defeat a cryptographic protection mechanism by capturing IP or V.22bis PSTN protocol traffic.","status":"published","published":"2022-05-17T04:01:25Z","modified":"2023-01-28T05:00:57Z","updated_at":"2026-11-02T14:43:26.967621Z"}],"nvd":[{"id":"CVE-2015-7286","description":"CSL DualCom GPRS CS2300-R devices with firmware 1.25 through 3.53 rely on a polyalphabetic substitution cipher with hardcoded keys, which makes it easier for remote attackers to defeat a cryptographic protection mechanism by capturing IP or V.22bis PSTN protocol traffic.","status":"published","published":"2015-11-25T04:59:03.527Z","modified":"2026-06-17T00:32:11.707Z","cvss":[{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-310"],"updated_at":"2026-11-02T14:03:14.501367Z"}]}}
