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CVE-2021-1287— Cisco Small Business RV132W and RV134W Routers Management Interface Remote Command Execution and Denial of Service Vulnerability

Quick assessment

Affected
Cisco Cisco Small Business RV Series Router Firmware
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.

Cisco RV134W VDSL2 Wireless-AC VPN Routers是美国思科（Cisco）公司的一款路由器。 Cisco?RV134W VDSL2 Wireless-AC VPN Routers 存在安全漏洞，该漏洞允许经过身份验证的远程攻击者在受影响的设备上执行任意代码，或导致设备意外重启。

CVSS 7.2 · High EPSS 2.20% · P81

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-1287

Vulnerability Information
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Vulnerability Title
Cisco Small Business RV132W and RV134W Routers Management Interface Remote Command Execution and Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the web-based management interface of Cisco RV132W ADSL2+ Wireless-N VPN Routers and Cisco RV134W VDSL2 Wireless-AC VPN Routers could allow an authenticated, remote attacker to execute arbitrary code on an affected device or cause the device to restart unexpectedly. The vulnerability exists because the web-based management interface does not properly validate user-supplied input. An attacker could exploit this vulnerability by sending crafted HTTP requests to an affected device. A successful exploit could allow the attacker to execute arbitrary code as the root user on the underlying operating system or cause the device to reload, resulting in a denial of service (DoS) condition on the affected device.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco RV134W VDSL2 Wireless-AC VPN Routers 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco RV134W VDSL2 Wireless-AC VPN Routers是美国思科（Cisco）公司的一款路由器。 Cisco?RV134W VDSL2 Wireless-AC VPN Routers 存在安全漏洞，该漏洞允许经过身份验证的远程攻击者在受影响的设备上执行任意代码，或导致设备意外重启。
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
Cisco Cisco Small Business RV Series Router Firmware n/a -

II. Public POCs for CVE-2021-1287

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III. Intelligence Information for CVE-2021-1287

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Vendor Advisories for CVE-2021-1287 (1)

IV. Related Vulnerabilities

Same product: Cisco Small Business RV Series Router Firmware
Same vendor: Cisco
Same weakness: CWE-121

V. Comments for CVE-2021-1287

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