{"id":"CVE-2026-30814","title":"A stack-based buffer overflow in the tmpServer module of TP-Link Archer AX53 v1.0 allows an authenticated adjacent attacker to trigger a segmentation fault and potentially execute arbitrary code via a specially crafted configuration file…","summary":"A stack-based buffer overflow in the tmpServer module of TP-Link Archer AX53 v1.0 allows an authenticated adjacent attacker to trigger a segmentation fault and potentially execute arbitrary code via a specially crafted configuration file…","severity":"high","cvss":8,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-121","CWE-787"],"vendor":"tp-link","product":"archer_ax53_firmware","affected":["archer_ax53_firmware < 1.7.1"],"patched":["archer_ax53_firmware 1.7.1"],"published":"2026-04-08","updated":"2026-07-25","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-30814","references":[{"url":"https://talosintelligence.com/vulnerability_reports/","label":"f23511db-6c3e-4e32-a477-6aa17d310630"},{"url":"https://www.tp-link.com/en/support/download/archer-ax53/v1/#Firmware","label":"f23511db-6c3e-4e32-a477-6aa17d310630"},{"url":"https://www.tp-link.com/my/support/download/archer-ax53/v1/#Firmware","label":"f23511db-6c3e-4e32-a477-6aa17d310630"},{"url":"https://www.tp-link.com/us/support/faq/5055/","label":"f23511db-6c3e-4e32-a477-6aa17d310630"},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2302","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00418,"epssPercentile":0.35632,"ingestedAt":"2026-07-26T10:11:58.466Z","slug":"CVE-2026-30814","body":"## Overview\n\nA stack-based buffer overflow in the tmpServer module of TP-Link Archer AX53 v1.0 allows an authenticated adjacent attacker to trigger a segmentation fault and potentially execute arbitrary code via a specially crafted configuration file. Successful exploitation may cause a crash and could allow arbitrary code execution, enabling modification of device state, exposure of sensitive data, or further compromise of device integrity.\n\nThis issue affects AX53 v1.0: before 1.7.1 Build 20260213.\n\n## Affected\n\n- `archer_ax53_firmware < 1.7.1`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `archer_ax53_firmware 1.7.1`","depth":"twilight","depthScore":44,"depthScoreParts":{"impact":44,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}