CVE-2021-3275 - CVE House
Back to Database
Status published Medium CVE-2021-3275

Unauthenticated stored cross-site scripting (XSS) exists in multiple TP-Link products...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-3275

Credits & Attribution

No credits recorded in the NVD database.

References

More from tp-link

View All →
CVE-2022-48194
TP-Link TL-WR902AC devices through V3 0.9.1 allow remote authenticated attackers...
Unknown 0
CVE-2022-46914
An issue in the firmware update process of TP-LINK TL-WA801N...
Unknown 0
CVE-2022-46912
An issue in the firmware update process of TP-Link TL-WR841N...
Unknown 0
CVE-2022-46910
An issue in the firmware update process of TP-Link TL-WA901ND...
Unknown 0
CVE-2022-46435
An issue in the firmware update process of TP-Link TL-WR941ND...
Unknown 0

Affected Vendor

Affected Software

td-w9977 firmware, tl-wa801nd firmware, tl-wa801n firmware, tl-wr802n firmware, archer-c3150 firmware
Vulnerable Versions:
v1_0.1.0_0.9.1_up_boot\(161123\)_2016-11-23_15.36.15, v5_us_0.9.1_3.16_up_boot\[170905-rel56404\], v6_eu_0.9.1_3.16_up_boot\[200116-rel61815\], v4_us_0.9.1_3.17_up_boot\[200421-rel38950\], v2_170926

Timeline

Official Publish: March 26th, 2021
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.