CVE-2021-26827

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-120

Affected software

No affected versions have been published.

Timeline

Published: Apr 14, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

CVE-2021-268288.8OpenPLC ScadaBR through 0.9.1 on Linux and through 1.12.4 on Windows allows remote authenticated users to upload and execute arbitrary JSP f CVE-2021-268295.4OpenPLC ScadaBR through 0.9.1 on Linux and through 1.12.4 on Windows allows stored XSS via system_settings.shtm.CVE-2021-268309.1SQL Injection in Tribalsystems Zenario CMS 8.8.52729 allows remote attackers to access the database or delete the plugin. This is accomplish CVE-2021-268326.1Cross Site Scripting (XSS) in the "Reset Password" page form of Priority Enterprise Management System v8.00 allows attackers to execute java CVE-2021-268335.9Cleartext Storage in a File or on Disk in TimelyBills <= 1.7.0 for iOS and versions <= 1.21.115 for Android allows attacker who can locally CVE-2021-268345.4A cross-site scripting (XSS) vulnerability exists in Znote 0.5.2. An attacker can insert payloads, and the code execution will happen immedi CVE-2021-268356.1No filtering of cross-site scripting (XSS) payloads in the markdown-editor in Zettlr 1.8.7 allows attackers to perform remote code execution CVE-2021-268379.8SQL Injection vulnerability in SearchTextBox parameter in Fortra (Formerly HelpSystems) DeliverNow before version 1.2.18, allows attackers t CVE-2021-268437.5An issue was discovered in sthttpd through 2.27.1. On systems where the strcpy function is implemented with memcpy, the de_dotdot function m CVE-2021-268445.4A cross-site scripting (XSS) vulnerability in Power Admin PA Server Monitor 8.2.1.1 allows remote attackers to inject arbitrary web script o CVE-2021-268457.5Information Exposure vulnerability in Hitachi ABB Power Grids eSOMS allows unauthorized user to gain access to report data if the URL used t CVE-2021-268546.6Microsoft Exchange Server Remote Code Execution Vulnerability