Vulnerability Details : CVE-2021-3275
Potential exploit
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.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-3275
- cpe:2.3:o:tp-link:td-w9977_firmware:v1_0.1.0_0.9.1_up_boot\(161123\)_2016-11-23_15.36.15:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:tl-wa801nd_firmware:v5_us_0.9.1_3.16_up_boot\[170905-rel56404\]:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:tl-wa801n_firmware:v6_eu_0.9.1_3.16_up_boot\[200116-rel61815\]:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:tl-wr802n_firmware:v4_us_0.9.1_3.17_up_boot\[200421-rel38950\]:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:archer-c3150_firmware:v2_170926:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-3275
1.22%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 77 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-3275
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
6.1
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST |
CWE ids for CVE-2021-3275
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-3275
-
https://www.tp-link.com
WiFi Networking Equipment for Home & Business | TP-LinkVendor Advisory
-
http://packetstormsecurity.com/files/161989/TP-Link-Cross-Site-Scripting.html
TP-Link Cross Site Scripting ≈ Packet StormExploit;Third Party Advisory;VDB Entry
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https://github.com/smriti548/CVE/blob/main/CVE-2021-3275
CVE/CVE-2021-3275 at main · smriti548/CVE · GitHubExploit;Third Party Advisory
-
https://seclists.org/fulldisclosure/2021/Mar/67
Full Disclosure: CVE-2021-3275 : Unauthenticated Stored Cross-site Scripting in Multiple TP-Link DevicesExploit;Mailing List;Third Party Advisory
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