CVE-2021-26827
Quick assessment
Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
TP-Link WR2041是中国普联（TP-Link）公司的一个无线WIFI。 TP-Link WR2041 v1 firmware 存在缓冲区错误漏洞，攻击者可利用该漏洞通过发送一个带有很长的“ssid”参数的HTTP请求到“userRpm popupSiteSurveyRpm.html”网页造成拒绝服务(DoS)，导致路由器崩溃。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-26827
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
TP-Link WR2041 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TP-Link WR2041是中国普联（TP-Link）公司的一个无线WIFI。 TP-Link WR2041 v1 firmware 存在缓冲区错误漏洞，攻击者可利用该漏洞通过发送一个带有很长的“ssid”参数的HTTP请求到“userRpm popupSiteSurveyRpm.html”网页造成拒绝服务(DoS)，导致路由器崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2021-26827
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-26827 (1)
Same Patch Batch · n/a · 2021-04-14 · 55 CVEs total
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| CVE-2017-20004 | Mozilla Rust 竞争条件问题漏洞 | |
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| CVE-2020-19778 | ShopXO 安全漏洞 | |
| CVE-2021-26812 | 8X8 Docker Jitsi Meet 跨站脚本漏洞 | |
| CVE-2021-27990 | Appspace 授权问题漏洞 | |
| CVE-2020-29592 | Matteo Piovanelli Orchard 代码问题漏洞 | |
| CVE-2020-29593 | Matteo Piovanelli Orchard 跨站脚本漏洞 | |
| CVE-2021-30493 | Razer Synapse 3 安全漏洞 | |
| CVE-2021-30494 | Razer Synapse 3 安全漏洞 |
Showing top 20 of 55 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-26827
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