CVE-2021-40866
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.
NETGEAR是美国网件（NETGEAR）公司的一款路由器。连接两个或多个网络的硬件设备，在网络间起网关的作用。 NETGEAR 智能交换机存在安全漏洞，该漏洞源于软件中的/sqfs/bin/sccd守护进程的验证过程存在问题，当收到缺少验证TLV的NSDP数据包时，守护进程无法进行检查验证。未经验证的攻击者可以利用该漏洞更改远程管理员的密码。
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I. Basic Information for CVE-2021-40866
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Certain NETGEAR smart switches are affected by a remote admin password change by an unauthenticated attacker via the (disabled by default) /sqfs/bin/sccd daemon, which fails to check authentication when the authentication TLV is missing from a received NSDP packet. This affects GC108P before 1.0.8.2, GC108PP before 1.0.8.2, GS108Tv3 before 7.0.7.2, GS110TPP before 7.0.7.2, GS110TPv3 before 7.0.7.2, GS110TUP before 1.0.5.3, GS308T before 1.0.3.2, GS310TP before 1.0.3.2, GS710TUP before 1.0.5.3, GS716TP before 1.0.4.2, GS716TPP before 1.0.4.2, GS724TPP before 2.0.6.3, GS724TPv2 before 2.0.6.3, GS728TPPv2 before 6.0.8.2, GS728TPv2 before 6.0.8.2, GS750E before 1.0.1.10, GS752TPP before 6.0.8.2, GS752TPv2 before 6.0.8.2, MS510TXM before 1.0.4.2, and MS510TXUP before 1.0.4.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
NETGEAR 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NETGEAR是美国网件（NETGEAR）公司的一款路由器。连接两个或多个网络的硬件设备，在网络间起网关的作用。 NETGEAR 智能交换机存在安全漏洞，该漏洞源于软件中的/sqfs/bin/sccd守护进程的验证过程存在问题，当收到缺少验证TLV的NSDP数据包时，守护进程无法进行检查验证。未经验证的攻击者可以利用该漏洞更改远程管理员的密码。
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-2021-40866
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-40866 (1)
Other References for CVE-2021-40866 (1)
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https://gynvael.coldwind.pl/?id=740 x_refsource_MISC
Same Patch Batch · n/a · 2021-09-13 · 27 CVEs total
| CVE-2021-40867 | 7.8 HIGH | Netgear NETGEAR 竞争条件问题漏洞 |
| CVE-2021-32137 | GPAC 缓冲区错误漏洞 | |
| CVE-2021-33366 | GPAC 安全漏洞 | |
| CVE-2021-33365 | GPAC 缓冲区错误漏洞 | |
| CVE-2021-33364 | GPAC 资源管理错误漏洞 | |
| CVE-2021-33363 | GPAC 缓冲区错误漏洞 | |
| CVE-2021-33361 | GPAC 缓冲区错误漏洞 | |
| CVE-2021-40870 | Aviatrix Controller 代码问题漏洞 | |
| CVE-2021-40214 | Gibbon 跨站脚本漏洞 | |
| CVE-2020-27969 | Yandex Browser 访问控制错误漏洞 | |
| CVE-2020-27970 | Yandex Browser 安全漏洞 | |
| CVE-2021-32136 | GPAC 缓冲区错误漏洞 | |
| CVE-2021-32134 | GPAC 代码问题漏洞 | |
| CVE-2020-20672 | KiteCMS 代码问题漏洞 | |
| CVE-2021-32135 | GPAC 代码问题漏洞 | |
| CVE-2021-32132 | GPAC 代码问题漏洞 | |
| CVE-2021-29643 | Paessler PRTG Network Monitor 跨站脚本漏洞 | |
| CVE-2021-38833 | PHPGurukul Apartment Visitors Management System SQL注入漏洞 | |
| CVE-2021-40823 | Matrix 加密问题漏洞 | |
| CVE-2021-33362 | GPAC 缓冲区错误漏洞 |
Showing top 20 of 27 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-40866
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