// For flags

CVE-2021-26827

 

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Buffer Overflow in TP-Link WR2041 v1 firmware for the TL-WR2041+ router allows remote attackers to cause a Denial-of-Service (DoS) by sending an HTTP request with a very long "ssid" parameter to the "/userRpm/popupSiteSurveyRpm.html" webpage, which crashes the router.

Un desbordamiento de búfer en el firmware TP-Link WR2041 v1 para el enrutador TL-WR2041+, permite a atacantes remotos causar una denegación de servicio (DoS) mediante el envío de una petición HTTP con un parámetro "ssid" muy largo al "/userRpm/popupSiteSurveyRpm.html ", que bloquea el enrutador

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-02-05 CVE Reserved
  • 2021-04-14 CVE Published
  • 2023-12-29 EPSS Updated
  • 2024-08-03 CVE Updated
  • 2024-08-03 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CAPEC
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"
 Tl-wr2041\+ Firmware
Search vendor "Tp-link" for product "Tl-wr2041\+ Firmware"
--
Affected
in Tp-link
Search vendor "Tp-link"
 Tl-wr2041\+
Search vendor "Tp-link" for product "Tl-wr2041\+"
--
Safe