Vulnerability · Published Mar 26, 2021 · Assigned by mitre

CVE-2021-3275

Medium 6.1

In plain English

A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 78% of all known vulnerabilities).

Severity (CVSS NVD)6.1Medium

Exploit odds (30 days)1.8%top 21.6% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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 products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://www.tp-link.com x_refsource_MISC
https://github.com/smriti548/CVE/blob/main/CVE-2021-3275 x_refsource_MISC
20210326 CVE-2021-3275 : Unauthenticated Stored Cross-site Scripting in Multiple TP-Link Devices mailing-list, x_refsource_FULLDISC
http://packetstormsecurity.com/files/161989/TP-Link-Cross-Site-Scripting.html x_refsource_MISC