Vulnerability Database

322,907

Total vulnerabilities in the database

CVE-2022-25062

TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain an integer overflow via the function dm_checkString. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.

  • Published: Feb 25, 2022
  • Updated: Nov 16, 2025
  • CVE: CVE-2022-25062
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
tp-link / tl-wr840n_firmware 6.20_180709 6.20_180709.x