{"cve":"CVE-2026-0834","nvd":{"published":"2026-01-21T18:16:24.773","modified":"2026-06-17T10:11:27.867","status":"Modified","description":"Logic vulnerability in TP-Link Archer C20 v5, 6.0, Archer AX53 v1.0 and TL-WR841N v13 (TDDP module) allows unauthenticated adjacent attackers to execute administrative commands including factory reset and device reboot without credentials. Attackers on the adjacent network can remotely trigger factory resets and reboots without credentials, causing configuration loss and interruption of device availability.\n\nThis issue affects Archer C20 v6.0 < V6_251031, Archer C20 v5 <EU_V5_260317 or < US_V5_260419\n\n\nArcher AX53 v1.0 < \n\nV1_251215\n\n\n\nTL-WR841N v13 < 0.9.1 Build 20231120 Rel.62366","cvss_v4":{"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N","score":7.2},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-290"],"references":["https://mattg.systems/posts/cve-2026-0834/","https://www.tp-link.com/en/support/download/archer-ax53/v1/#Firmware","https://www.tp-link.com/en/support/download/archer-c20/v5/#Firmware","https://www.tp-link.com/en/support/download/archer-c20/v6/#Firmware","https://www.tp-link.com/us/support/download/archer-c20/v5/#Firmware"],"products":["tp-link:archer_ax53_firmware","tp-link:archer_c20_firmware"],"source":"nvd","synced_at":"2026-10-19T22:21:16.563232421+00:00"},"epss":{"cve":"CVE-2026-0834","score":0.00429,"percentile":0.37127,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}