CVE-2021-3275

TP-Link Cross Site Scripting

Severity Score

6.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Se presenta una vulnerabilidad de tipo cross-site scripting (XSS) almacenado no autenticado en múltiples productos de TP-Link, incluyendo WIFI Routers (enrutadores Wireless AC), Access Points, ADSL + DSL Gateways and Routers, que afectan a dispositivos TD-W9977v1, TL-WA801NDv5, TL-WA801Nv6, TL-WA802Nv5, y Archer C3150v2, por medio de la comprobación inapropiada del nombre de host. Algunas de las páginas, incluyendo dhcp.htm, networkMap.htm, dhcpClient.htm, qsEdit.htm, y qsReview.htm, usan esta función vulnerable de nombre de host (setDefaultHostname()) sin saneamiento.

Multiple TP-Link devices suffer from an unauthenticated persistent cross site scripting vulnerability. Affected models include TD-W9977, TL-WA801ND, TL-WA801N, TL-WR802N, and Archer-C3150.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-22 CVE Reserved
2021-03-26 CVE Published
2023-12-10 EPSS Updated
2024-08-03 CVE Updated
2024-08-03 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

References (4)

URL	Tag	Source

URL	Date	SRC
http://packetstormsecurity.com/files/161989/TP-Link-Cross-Site-Scripting.html	2024-08-03
https://github.com/smriti548/CVE/blob/main/CVE-2021-3275	2024-08-03
https://seclists.org/fulldisclosure/2021/Mar/67	2024-08-03

URL	Date	SRC

URL	Date	SRC
https://www.tp-link.com	2021-04-01

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Tp-link Search vendor "Tp-link"	Td-w9977 Firmware Search vendor "Tp-link" for product "Td-w9977 Firmware"	v1_0.1.0_0.9.1_up_boot\(161123\)_2016-11-23_15.36.15 Search vendor "Tp-link" for product "Td-w9977 Firmware" and version "v1_0.1.0_0.9.1_up_boot\(161123\)_2016-11-23_15.36.15"	-	Affected	in	Tp-link Search vendor "Tp-link"	Td-w9977 Search vendor "Tp-link" for product "Td-w9977"	-	-	Safe
Tp-link Search vendor "Tp-link"	Tl-wa801nd Firmware Search vendor "Tp-link" for product "Tl-wa801nd Firmware"	v5_us_0.9.1_3.16_up_boot\[170905-rel56404\] Search vendor "Tp-link" for product "Tl-wa801nd Firmware" and version "v5_us_0.9.1_3.16_up_boot\[170905-rel56404\]"	-	Affected	in	Tp-link Search vendor "Tp-link"	Tl-wa801nd Search vendor "Tp-link" for product "Tl-wa801nd"	-	-	Safe
Tp-link Search vendor "Tp-link"	Tl-wa801n Firmware Search vendor "Tp-link" for product "Tl-wa801n Firmware"	v6_eu_0.9.1_3.16_up_boot\[200116-rel61815\] Search vendor "Tp-link" for product "Tl-wa801n Firmware" and version "v6_eu_0.9.1_3.16_up_boot\[200116-rel61815\]"	-	Affected	in	Tp-link Search vendor "Tp-link"	Tl-wa801n Search vendor "Tp-link" for product "Tl-wa801n"	-	-	Safe
Tp-link Search vendor "Tp-link"	Tl-wr802n Firmware Search vendor "Tp-link" for product "Tl-wr802n Firmware"	v4_us_0.9.1_3.17_up_boot\[200421-rel38950\] Search vendor "Tp-link" for product "Tl-wr802n Firmware" and version "v4_us_0.9.1_3.17_up_boot\[200421-rel38950\]"	-	Affected	in	Tp-link Search vendor "Tp-link"	Tl-wr802n Search vendor "Tp-link" for product "Tl-wr802n"	-	-	Safe
Tp-link Search vendor "Tp-link"	Archer-c3150 Firmware Search vendor "Tp-link" for product "Archer-c3150 Firmware"	v2_170926 Search vendor "Tp-link" for product "Archer-c3150 Firmware" and version "v2_170926"	-	Affected	in	Tp-link Search vendor "Tp-link"	Archer-c3150 Search vendor "Tp-link" for product "Archer-c3150"	-	-	Safe