{"id":"CVE-2026-63586","aliases":["EUVD-2026-65328","GHSA-cf4x-hgj3-m8g7"],"status":"published","title":"Unauthenticated Remote Code Execution via Shell Injection in Web Management Interface","description":"The web-based management interface uses a modified uhttpd server with CGI shell scripts. The HTTP Basic Authentication username, taken directly from the Authorization header without sanitization, is inserted into a shell command string executed via the system() function. By submitting a specially crafted username containing shell metacharacters, an unauthenticated attacker with network access to the device can escape the command context and execute arbitrary commands with root privileges.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00926,"percentile":0.60785,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78"],"published":"2026-08-25T08:54:55Z","modified":"2026-09-03T16:57:26Z","products":[{"vendor":"weidmueller","product":"ie-sr-2tx-wl"},{"vendor":"weidmueller","product":"ie-sr-2tx-wl-4g-eu"},{"vendor":"weidmueller","product":"ie-sr-2tx-wl-4g-us-v"},{"vendor":"weidmueller interface","product":"ie-sr-2tx-wl"},{"vendor":"weidmueller interface","product":"ie-sr-2tx-wl-4g-eu"},{"vendor":"weidmueller interface","product":"ie-sr-2tx-wl-4g-us-v"}],"references":[{"url":"https://www.certvde.com/en/advisories/VDE-2026-083/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63586"},{"url":"https://www.certvde.com/en/advisories/VDE-2026-083"},{"url":"https://github.com/advisories/GHSA-cf4x-hgj3-m8g7"}],"sources":{"cve":[{"id":"CVE-2026-63586","title":"Unauthenticated Remote Code Execution via Shell Injection in Web Management Interface","description":"The web-based management interface uses a modified uhttpd server with CGI shell scripts. The HTTP Basic Authentication username, taken directly from the Authorization header without sanitization, is inserted into a shell command string executed via the system() function. By submitting a specially crafted username containing shell metacharacters, an unauthenticated attacker with network access to the device can escape the command context and execute arbitrary commands with root privileges.","status":"published","published":"2026-08-25T08:54:55.934Z","modified":"2026-08-25T14:39:22.57Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:19:55.914391Z"}],"euvd":[{"id":"EUVD-2026-65328","description":"The web-based management interface uses a modified uhttpd server with CGI shell scripts. The HTTP Basic Authentication username, taken directly from the Authorization header without sanitization, is inserted into a shell command string executed via the system() function. By submitting a specially crafted username containing shell metacharacters, an unauthenticated attacker with network access to the device can escape the command context and execute arbitrary commands with root privileges.","status":"published","published":"2026-08-25T08:54:55Z","modified":"2026-08-25T14:39:22Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T18:01:32.944243Z"}],"ghsa":[{"id":"GHSA-cf4x-hgj3-m8g7","title":"The web-based management interface uses a modified uhttpd server with CGI shell scripts. The HTTP...","description":"The web-based management interface uses a modified uhttpd server with CGI shell scripts. The HTTP Basic Authentication username, taken directly from the Authorization header without sanitization, is inserted into a shell command string executed via the system() function. By submitting a specially crafted username containing shell metacharacters, an unauthenticated attacker with network access to the device can escape the command context and execute arbitrary commands with root privileges.","status":"published","published":"2026-08-25T09:30:38Z","modified":"2026-08-25T09:30:47Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T15:10:56.831918Z"}],"nvd":[{"id":"CVE-2026-63586","description":"The web-based management interface uses a modified uhttpd server with CGI shell scripts. The HTTP Basic Authentication username, taken directly from the Authorization header without sanitization, is inserted into a shell command string executed via the system() function. By submitting a specially crafted username containing shell metacharacters, an unauthenticated attacker with network access to the device can escape the command context and execute arbitrary commands with root privileges.","status":"published","published":"2026-08-25T09:17:31.823Z","modified":"2026-09-03T16:57:26.583Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:12:41.018848Z"}]}}