{"id":"CVE-2025-41694","aliases":["EUVD-2025-201891","GHSA-56w8-9x5w-fmh9"],"status":"published","title":"Authenticated Denial-of-Service via Webshell","description":"A low privileged remote attacker can run the webshell with an empty command containing whitespace. The server will then block until it receives more data, resulting in a DoS condition of the websserver.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00517,"percentile":0.44433,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-770"],"published":"2025-12-09T08:12:59Z","modified":"2026-10-07T11:10:00Z","products":[{"vendor":"phoenix contact","product":"fl nat 2008"},{"vendor":"phoenix contact","product":"fl nat 2208"},{"vendor":"phoenix contact","product":"fl nat 2304-2gc-2sfp"},{"vendor":"phoenix contact","product":"fl switch 2005"},{"vendor":"phoenix contact","product":"fl switch 2008"},{"vendor":"phoenix contact","product":"fl switch 2008f"},{"vendor":"phoenix contact","product":"fl switch 2016"},{"vendor":"phoenix contact","product":"fl switch 2105"},{"vendor":"phoenix contact","product":"fl switch 2108"},{"vendor":"phoenix contact","product":"fl switch 2116"},{"vendor":"phoenix contact","product":"fl switch 2204-2tc-2sfx"},{"vendor":"phoenix contact","product":"fl switch 2205"},{"vendor":"phoenix contact","product":"fl switch 2206-2fx"},{"vendor":"phoenix contact","product":"fl switch 2206-2fx sm"},{"vendor":"phoenix contact","product":"fl switch 2206-2fx sm st"},{"vendor":"phoenix contact","product":"fl switch 2206-2fx st"},{"vendor":"phoenix contact","product":"fl switch 2206-2sfx"},{"vendor":"phoenix contact","product":"fl switch 2206-2sfx pn"},{"vendor":"phoenix contact","product":"fl switch 2206c-2fx"},{"vendor":"phoenix contact","product":"fl switch 2207-fx"},{"vendor":"phoenix contact","product":"fl switch 2207-fx sm"},{"vendor":"phoenix contact","product":"fl switch 2208"},{"vendor":"phoenix contact","product":"fl switch 2208 pn"},{"vendor":"phoenix contact","product":"fl switch 2208c"},{"vendor":"phoenix contact","product":"fl switch 2212-2tc-2sfx"},{"vendor":"phoenix contact","product":"fl switch 2214-2fx"},{"vendor":"phoenix contact","product":"fl switch 2214-2fx sm"},{"vendor":"phoenix contact","product":"fl switch 2214-2sfx"},{"vendor":"phoenix contact","product":"fl switch 2214-2sfx pn"},{"vendor":"phoenix contact","product":"fl switch 2216"},{"vendor":"phoenix contact","product":"fl switch 2216 pn"},{"vendor":"phoenix contact","product":"fl switch 2303-8sp1"},{"vendor":"phoenix contact","product":"fl switch 2304-2gc-2sfp"},{"vendor":"phoenix contact","product":"fl switch 2306-2sfp"},{"vendor":"phoenix contact","product":"fl switch 2306-2sfp pn"},{"vendor":"phoenix contact","product":"fl switch 2308"},{"vendor":"phoenix contact","product":"fl switch 2308 pn"},{"vendor":"phoenix contact","product":"fl switch 2312-2gc-2sfp"},{"vendor":"phoenix contact","product":"fl switch 2314-2sfp"},{"vendor":"phoenix contact","product":"fl switch 2314-2sfp pn"},{"vendor":"phoenix contact","product":"fl switch 2316"},{"vendor":"phoenix contact","product":"fl switch 2316 pn"},{"vendor":"phoenix contact","product":"fl switch 2316/k1"},{"vendor":"phoenix contact","product":"fl switch 2404-2tc-2sfx"},{"vendor":"phoenix contact","product":"fl switch 2406-2sfx"},{"vendor":"phoenix contact","product":"fl switch 2406-2sfx pn"},{"vendor":"phoenix contact","product":"fl switch 2408"},{"vendor":"phoenix contact","product":"fl switch 2408 pn"},{"vendor":"phoenix contact","product":"fl switch 2412-2tc-2sfx"},{"vendor":"phoenix contact","product":"fl switch 2414-2sfx"},{"vendor":"phoenix contact","product":"fl switch 2414-2sfx pn"},{"vendor":"phoenix contact","product":"fl switch 2416"},{"vendor":"phoenix contact","product":"fl switch 2416 pn"},{"vendor":"phoenix contact","product":"fl switch 2504-2gc-2sfp"},{"vendor":"phoenix contact","product":"fl switch 2506-2sfp"},{"vendor":"phoenix contact","product":"fl switch 2506-2sfp pn"},{"vendor":"phoenix contact","product":"fl switch 2506-2sfp/k1"},{"vendor":"phoenix contact","product":"fl switch 2508"},{"vendor":"phoenix contact","product":"fl switch 2508 pn"},{"vendor":"phoenix contact","product":"fl switch 2508/k1"},{"vendor":"phoenix contact","product":"fl switch 2512-2gc-2sfp"},{"vendor":"phoenix contact","product":"fl switch 2514-2sfp"},{"vendor":"phoenix contact","product":"fl switch 2514-2sfp pn"},{"vendor":"phoenix contact","product":"fl switch 2516"},{"vendor":"phoenix contact","product":"fl switch 2516 pn"},{"vendor":"phoenix contact","product":"fl switch 2608"},{"vendor":"phoenix contact","product":"fl switch 2608 pn"},{"vendor":"phoenix contact","product":"fl switch 2708"},{"vendor":"phoenix contact","product":"fl switch 2708 pn"},{"vendor":"phoenixcontact","product":"fl_nat_2008_firmware"},{"vendor":"phoenixcontact","product":"fl_nat_2208_firmware"},{"vendor":"phoenixcontact","product":"fl_nat_2304-2gc-2sfp_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2005_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2008_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2008f_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2016_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2105_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2108_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2116_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2204-2tc-2sfx_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2205_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2206-2fx_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2206-2fx_sm_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2206-2fx_sm_st_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2206-2fx_st_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2206-2sfx_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2206-2sfx_pn_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2206c-2fx_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2207-fx_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2207-fx_sm_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2208_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2208_pn_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2208c_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2212-2tc-2sfx_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2214-2fx_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2214-2fx_sm_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2214-2sfx_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2214-2sfx_pn_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2216_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2216_pn_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2303-8sp1"},{"vendor":"phoenixcontact","product":"fl_switch_2304-2gc-2sfp_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2306-2sfp_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2306-2sfp_pn_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2308_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2308_pn_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2312-2gc-2sfp_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2314-2sfp_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2314-2sfp_pn_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2316\\/k1_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2316_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2316_pn_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2404-2tc-2sfx_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2406-2sfx_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2406-2sfx_pn_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2408_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2408_pn_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2412-2tc-2sfx_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2414-2sfx_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2414-2sfx_pn_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2416_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2416_pn_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2504-2gc-2sfp_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2506-2sfp\\/k1_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2506-2sfp_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2506-2sfp_pn_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2508\\/k1_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2508_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2508_pn_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2512-2gc-2sfp_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2514-2sfp_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2514-2sfp_pn_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2516_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2516_pn_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2608_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2608_pn_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2708_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_2708_pn_firmware"}],"references":[{"url":"https://certvde.com/de/advisories/VDE-2025-071","tags":["Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-41694"},{"url":"https://github.com/advisories/GHSA-56w8-9x5w-fmh9"}],"sources":{"cve":[{"id":"CVE-2025-41694","title":"Authenticated Denial-of-Service via Webshell","description":"A low privileged remote attacker can run the webshell with an empty command containing whitespace. The server will then block until it receives more data, resulting in a DoS condition of the websserver.","status":"published","published":"2025-12-09T08:12:59.166Z","modified":"2025-12-09T14:33:23.571Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:32:31.631102Z"}],"euvd":[{"id":"EUVD-2025-201891","description":"A low privileged remote attacker can run the webshell with an empty command containing whitespace. The server will then block until it receives more data, resulting in a DoS condition of the websserver.","status":"published","published":"2025-12-09T08:12:59Z","modified":"2025-12-09T14:33:23Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T19:49:08.541096Z"}],"ghsa":[{"id":"GHSA-56w8-9x5w-fmh9","title":"A low privileged remote attacker can run the webshell with an empty command containing whitespace...","description":"A low privileged remote attacker can run the webshell with an empty command containing whitespace. The server will then block until it receives more data, resulting in a DoS condition of the websserver.","status":"published","published":"2025-12-09T18:30:36Z","modified":"2025-12-09T18:30:43Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:05:06.487163Z"}],"nvd":[{"id":"CVE-2025-41694","description":"A low privileged remote attacker can run the webshell with an empty command containing whitespace. The server will then block until it receives more data, resulting in a DoS condition of the websserver.","status":"published","published":"2025-12-09T16:17:48.583Z","modified":"2026-10-07T11:10:00.153Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:11:49.093461Z"}]}}