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.

CVSS v3.1

6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v2.0

4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N

EPSS

1.79% chance of exploitation in the next 30 days, 77th percentile

Published

2021-03-26

Updated

2024-08-03

Proof-of-concept exploits (3)

• http://packetstormsecurity.com/files/161989/TP-Link-Cross-Site-Scripting.html
• smriti548/CVE/blob/main/CVE-2021-3275
• https://seclists.org/fulldisclosure/2021/Mar/67

References

• CVE Record
• NVD entry

Related

• CVE-2021-32749
• CVE-2021-32751
• CVE-2021-3273
• CVE-2021-3278
• CVE-2021-32724
• CVE-2021-32789