{"id":"CVE-2026-15429","aliases":["EUVD-2026-43964","GHSA-h838-7g67-j96h"],"status":"published","title":"Privilege Escalation via Improper Input Sanitization in TP-Link Archer VX1800v","description":"A privilege escalation vulnerability exists in the HTTP authentication component in Archer VX1800v v1. Improper handling of user-controlled input may allow newline characters to be injected into internally constructed configuration data. \n\n\n\n\n\n\n\n\n\nAn\nauthenticated user with sufficient privileges may be able to modify account\nsettings and gain elevated administrative privileges.","severity":{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01389,"percentile":0.72657,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-93"],"published":"2026-07-14T17:04:06Z","modified":"2026-10-24T21:10:00Z","products":[{"vendor":"tp-link","product":"archer_vx1800v_firmware"},{"vendor":"tp-link systems inc.","product":"archer vx1800v v1"}],"references":[{"url":"https://www.tp-link.com/en/support/download/archer-vx1800v/#Firmware","tags":["patch","Product"]},{"url":"https://www.tp-link.com/us/support/faq/5189/","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-15429"},{"url":"https://www.tp-link.com/us/support/faq/5189"},{"url":"https://github.com/advisories/GHSA-h838-7g67-j96h"}],"sources":{"cve":[{"id":"CVE-2026-15429","title":"Privilege Escalation via Improper Input Sanitization in TP-Link Archer VX1800v","description":"A privilege escalation vulnerability exists in the HTTP authentication component in Archer VX1800v v1. Improper handling of user-controlled input may allow newline characters to be injected into internally constructed configuration data. \n\n\n\n\n\n\n\n\n\nAn\nauthenticated user with sufficient privileges may be able to modify account\nsettings and gain elevated administrative privileges.","status":"published","published":"2026-07-14T17:04:06.888Z","modified":"2026-07-15T03:59:52.199Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-93"],"updated_at":"2026-11-02T13:47:51.033687Z"}],"euvd":[{"id":"EUVD-2026-43964","description":"A privilege escalation vulnerability exists in the HTTP authentication component in Archer VX1800v v1. Improper handling of user-controlled input may allow newline characters to be injected into internally constructed configuration data. \n\n\n\n\n\n\n\n\n\nAn\nauthenticated user with sufficient privileges may be able to modify account\nsettings and gain elevated administrative privileges.","status":"published","published":"2026-07-14T17:04:06Z","modified":"2026-07-15T03:59:52Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:19:53.678292Z"}],"ghsa":[{"id":"GHSA-h838-7g67-j96h","title":"A privilege escalation vulnerability exists in the HTTP authentication component in Archer...","description":"A privilege escalation vulnerability exists in the HTTP authentication component in Archer VX1800v v1. Improper handling of user-controlled input may allow newline characters to be injected into internally constructed configuration data. \n\n\n\n\n\n\n\n\n\nAn\nauthenticated user with sufficient privileges may be able to modify account\nsettings and gain elevated administrative privileges.","status":"published","published":"2026-07-14T18:31:57Z","modified":"2026-08-06T18:31:32Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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":"medium"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-93"],"updated_at":"2026-11-02T15:10:10.387883Z"}],"nvd":[{"id":"CVE-2026-15429","description":"A privilege escalation vulnerability exists in the HTTP authentication component in Archer VX1800v v1. Improper handling of user-controlled input may allow newline characters to be injected into internally constructed configuration data. \n\n\n\n\n\n\n\n\n\nAn\nauthenticated user with sufficient privileges may be able to modify account\nsettings and gain elevated administrative privileges.","status":"published","published":"2026-07-14T17:16:44.907Z","modified":"2026-10-24T21:10:00.13Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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":"medium","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-93"],"updated_at":"2026-11-02T14:12:29.114188Z"}]}}