{"id":"CVE-2026-15429","state":"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.","publishedAt":"2026-07-14T17:04:06.888Z","updatedAt":"2026-07-15T03:59:52.199Z","severity":{"score":5.1,"label":"Medium","version":"4.0","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","source":"TPLink"},"assigner":"TPLink","products":["TP-Link Systems Inc. Archer VX1800v v1"],"affected":[{"vendor":"TP-Link Systems Inc.","product":"Archer VX1800v v1","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.16.0 2.0.0 v6092.0 Build 260521 RC.7927n","versionType":"custom"}],"platforms":["Linux"]}],"references":["https://www.tp-link.com/en/support/download/archer-vx1800v/#Firmware","https://www.tp-link.com/us/support/faq/5189/"],"weaknesses":["CWE-93"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/15xxx/CVE-2026-15429.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-15429","state":"PUBLISHED","datePublished":"2026-07-14T17:04:06.888Z","dateUpdated":"2026-07-15T03:59:52.199Z","assignerShortName":"TPLink","assignerOrgId":"f23511db-6c3e-4e32-a477-6aa17d310630","dateReserved":"2026-07-10T16:59:17.389Z"},"containers":{"cna":{"title":"Privilege Escalation via Improper Input Sanitization in TP-Link Archer VX1800v","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"TP-Link Systems Inc.","product":"Archer VX1800v v1","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.16.0 2.0.0 v6092.0 Build 260521 RC.7927n","versionType":"custom"}],"platforms":["Linux"]}],"references":[{"url":"https://www.tp-link.com/en/support/download/archer-vx1800v/#Firmware","tags":["patch"]},{"url":"https://www.tp-link.com/us/support/faq/5189/","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":5.1,"vectorString":"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-93","lang":"en","description":"CWE-93 Improper neutralization of CRLF sequences ('CRLF injection')","type":"CWE"}]}],"providerMetadata":{"shortName":"TPLink","orgId":"f23511db-6c3e-4e32-a477-6aa17d310630","dateUpdated":"2026-07-14T17:04:06.888Z"},"impacts":[{"capecId":"CAPEC-137","descriptions":[{"lang":"en","value":"CAPEC-137 Parameter Injection"}]}],"credits":[{"lang":"en","value":"Klamm9","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-14T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-15429"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-15T03:59:52.199Z"}}]}}}