CVEvulnerability
CVE-2021-3275
6.1 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-03-26
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.1 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-79
Description
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.
Affected configurations
• tp-link td-w9977 firmware v1 0.1.0 0.9.1 up boot\(161123\) 2016-11-23 15.36.15
• tp-link tl-wa801nd firmware v5 us 0.9.1 3.16 up boot\[170905-rel56404\]
• tp-link tl-wa801n firmware v6 eu 0.9.1 3.16 up boot\[200116-rel61815\]
• tp-link tl-wr802n firmware v4 us 0.9.1 3.17 up boot\[200421-rel38950\]
• tp-link archer-c3150 firmware v2 170926
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- http://packetstormsecurity.com/files/161989/TP-Link-Cross-Site-Scripting.html Exploit, Third Party Advisory, VDB Entry
- https://github.com/smriti548/CVE/blob/main/CVE-2021-3275 Exploit, Third Party Advisory
- https://seclists.org/fulldisclosure/2021/Mar/67 Exploit, Mailing List, Third Party Advisory
- https://www.tp-link.com Vendor Advisory
- http://packetstormsecurity.com/files/161989/TP-Link-Cross-Site-Scripting.html Exploit, Third Party Advisory, VDB Entry
- https://github.com/smriti548/CVE/blob/main/CVE-2021-3275 Exploit, Third Party Advisory
- https://seclists.org/fulldisclosure/2021/Mar/67 Exploit, Mailing List, Third Party Advisory
- https://www.tp-link.com Vendor Advisory