Vulnerability Database

322,907

Total vulnerabilities in the database

CVE-2021-3275

Unauthenticated stored cross-site scripting (XSS) exists in multiple TP-Link products including WIFI Routers (Wireless AC routers), Access Points, ADSL + DSL Gateways and Routers, which affects TD-W9977v1, TL-WA801NDv5, TL-WA801Nv6, TL-WA802Nv5, and Archer C3150v2 devices through the improper validation of the hostname. Some of the pages including dhcp.htm, networkMap.htm, dhcpClient.htm, qsEdit.htm, and qsReview.htm and use this vulnerable hostname function (setDefaultHostname()) without sanitization.

  • Published: Mar 26, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-3275
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.1
  • AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v2:

  • Severity: Low
  • Score: 4.3
  • AV:N/AC:M/Au:N/C:N/I:P/A:N

CWEs:

OWASP TOP 10:

Software From Fixed in
tp-link / td-w9977_firmware 1_0.1.0_0.9.1_up_boot(161123)_2016-11-23_15.36.15 1_0.1.0_0.9.1_up_boot(161123)_2016-11-23_15.36.15.x
tp-link / tl-wa801nd_firmware 5_us_0.9.1_3.16_up_boot[170905-rel56404] 5_us_0.9.1_3.16_up_boot[170905-rel56404].x
tp-link / tl-wa801n_firmware 6_eu_0.9.1_3.16_up_boot[200116-rel61815] 6_eu_0.9.1_3.16_up_boot[200116-rel61815].x
tp-link / tl-wr802n_firmware 4_us_0.9.1_3.17_up_boot[200421-rel38950] 4_us_0.9.1_3.17_up_boot[200421-rel38950].x
tp-link / archer-c3150_firmware 2_170926 2_170926.x