CVE-2021-3275

CVSS V2 Medium 4.3 CVSS V3 Medium 6.1
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.
Overview
  • CVE ID
  • CVE-2021-3275
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-03-26T13:15:11
  • Last Modified Date
  • 2021-04-01T02:23:13
Weakness Enumerations
CWE URL
CWE-79 http://cwe.mitre.org/data/definitions/79.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
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:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:tp-link:td-w9977:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:tp-link:tl-wa801nd_firmware:v5_us_0.9.1_3.16_up_boot\[170905-rel56404\]:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:tp-link:tl-wa801nd:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:tp-link:tl-wa801n_firmware:v6_eu_0.9.1_3.16_up_boot\[200116-rel61815\]:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:tp-link:tl-wa801n:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:tp-link:tl-wr802n_firmware:v4_us_0.9.1_3.17_up_boot\[200421-rel38950\]:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:tp-link:tl-wr802n:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:tp-link:archer-c3150_firmware:v2_170926:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:tp-link:archer-c3150:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • CHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 6.1
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 2.7
References
Reference URL Reference Tags
https://www.tp-link.com Vendor Advisory
https://seclists.org/fulldisclosure/2021/Mar/67 Exploit Mailing List Third Party Advisory
https://github.com/smriti548/CVE/blob/main/CVE-2021-3275 Exploit Third Party Advisory
http://packetstormsecurity.com/files/161989/TP-Link-Cross-Site-Scripting.html Exploit Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-3275
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3275
History
Created Old Value New Value Data Type Notes
2022-05-10 07:17:34 Added to TrackCVE
2022-12-06 00:30:03 2021-03-26T13:15Z 2021-03-26T13:15:11 CVE Published Date updated
2022-12-06 00:30:03 2021-04-01T02:23:13 CVE Modified Date updated
2022-12-06 00:30:03 Analyzed Vulnerability Status updated