CVE-2022-20753— Cisco Small Business RV Series Routers Remote Code Execution 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 Small Business RV Series Routers是美国思科（Cisco）公司的一款RV系列路由器。 Cisco Small Business RV340 和 RV345 路由器存在安全漏洞，该漏洞源于用户提供的输入的验证不充分。攻击者可以通过向受影响的设备发送恶意输入来利用此漏洞在受影响的设备上执行远程代码。
Possible ATT&CK Techniques 3 AI
T1505.003 · Web Shell T1068 · Exploitation for Privilege Escalation T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-20753
Vulnerability Information
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Vulnerability Title
Cisco Small Business RV Series Routers Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in web-based management interface of Cisco Small Business RV340 and RV345 Routers could allow an authenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending malicious input to an affected device. A successful exploit could allow the attacker to execute remote code on the affected device. To exploit this vulnerability, an attacker would need to have valid Administrator credentials 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:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Small Business RV Series Routers 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Small Business RV Series Routers是美国思科（Cisco）公司的一款RV系列路由器。 Cisco Small Business RV340 和 RV345 路由器存在安全漏洞，该漏洞源于用户提供的输入的验证不充分。攻击者可以通过向受影响的设备发送恶意输入来利用此漏洞在受影响的设备上执行远程代码。
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 |
|---|---|---|---|---|
| Cisco | Cisco Small Business RV Series Router Firmware | n/a | - |
|
II. Public POCs for CVE-2022-20753
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2022-20753 (1)
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sbrv-rce-OYLQbL9u vendor-advisory x_refsource_CISCO
Same Patch Batch · Cisco · 2022-05-04 · 13 CVEs total
| CVE-2022-20777 | 9.9 CRITICAL | Cisco Enterprise NFV Infrastructure Software Vulnerabilities |
| CVE-2022-20779 | 9.9 CRITICAL | Cisco Enterprise NFV Infrastructure Software Vulnerabilities |
| CVE-2022-20780 | 9.9 CRITICAL | Cisco Enterprise NFV Infrastructure Software Vulnerabilities |
| CVE-2022-20770 | 8.6 HIGH | ClamAV CHM File Parsing Denial of Service Vulnerability Affecting Cisco Products: April 20 |
| CVE-2022-20771 | 7.5 HIGH | ClamAV TIFF File Parsing Denial of Service Vulnerability Affecting Cisco Products: April 2 |
| CVE-2022-20785 | 7.5 HIGH | ClamAV HTML Scanning Memory Leak Vulnerability Affecting Cisco Products: April 2022 |
| CVE-2022-20764 | 6.5 MEDIUM | Cisco TelePresence Collaboration Endpoint and RoomOS Software Vulnerabilities |
| CVE-2022-20794 | 6.5 MEDIUM | Cisco TelePresence Collaboration Endpoint and RoomOS Software Vulnerabilities |
| CVE-2022-20796 | 6.5 MEDIUM | ClamAV Truncated File Denial of Service Vulnerability Affecting Cisco Products: April 2022 |
| CVE-2022-20801 | 4.7 MEDIUM | Cisco Small Business RV Series Routers Command Injection Vulnerabilities |
| CVE-2022-20799 | 4.7 MEDIUM | Cisco Small Business RV Series Routers Command Injection Vulnerabilities |
| CVE-2022-20734 | 4.4 MEDIUM | Cisco SD-WAN vManage Software Information Disclosure Vulnerability |
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V. Comments for CVE-2022-20753
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