CVE-2021-26827

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.

CVSS v3 7.5 HIGH
CVSS v2.0 7.8 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

7.8^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 10.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/GD008/vuln/blob/main/tplink_wr2041/tplink_WR2041pv1.md	Exploit Third Party Advisory
https://github.com/GD008/vuln/blob/main/tplink_wr2041/tplink_WR2041pv1.md	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tp-link:tl-wr2041\+_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:tp-link:tl-wr2041\+:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-04-14 14:15

Updated : 2024-11-21 05:56

NVD link : CVE-2021-26827

Mitre link : CVE-2021-26827

CVE.ORG link : CVE-2021-26827

JSON object : View

Products Affected

tp-link

tl-wr2041\+_firmware
tl-wr2041\+

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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