CVE-2025-20172
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I. Basic Information for CVE-2025-20172
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the SNMP subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an authenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due to improper error handling when parsing SNMP requests. An attacker could exploit this vulnerability by sending a crafted SNMP request to an affected device. For Cisco IOS and IOS XE Software, a successful exploit could allow the attacker to cause the device to reload unexpectedly, resulting in a DoS condition. For Cisco IOS XR Software, a successful exploit could allow the attacker to cause the SNMP process to restart, resulting in an interrupted SNMP response from an affected device. Devices that are running Cisco IOS XR Software will not reload. This vulnerability affects SNMP versions 1, 2c, and 3. To exploit this vulnerability through SNMP v2c or earlier, the attacker must know a valid read-write or read-only SNMP community string for the affected system. To exploit this vulnerability through SNMP v3, the attacker must have valid SNMP user credentials for the affected system.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco IOS、Cisco IOS XE和Cisco IOS XR 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco IOS等都是美国思科（Cisco）公司的一套为其网络设备开发的操作系统。 Cisco IOS、Cisco IOS XE和Cisco IOS XR存在安全漏洞，该漏洞源于解析请求时错误处理不当，可致设备重启或SNMP进程中断。
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 | IOS | 12.2(33)SRE1 | - | |
| Cisco | Cisco IOS XR Software | 7.0.1 | - | |
| Cisco | Cisco IOS XE Software | 3.7.0S | - |
II. Public POCs for CVE-2025-20172
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Cisco · 2025-02-05 · 18 CVEs total
| CVE-2025-20124 | 9.9 CRITICAL | Cisco Identity Services Engine Java Deserialization Vulnerability |
| CVE-2025-20125 | 9.1 CRITICAL | Cisco Identity Services Engine Insufficient Authorization Bypass Vulnerability |
| CVE-2025-20175 | 7.7 HIGH | Cisco IOS和Cisco IOS XE 安全漏洞 |
| CVE-2025-20173 | 7.7 HIGH | Cisco IOS和Cisco IOS XE 安全漏洞 |
| CVE-2025-20176 | 7.7 HIGH | Cisco IOS和Cisco IOS XE 安全漏洞 |
| CVE-2025-20171 | 7.7 HIGH | Cisco多款产品 安全漏洞 |
| CVE-2025-20170 | 7.7 HIGH | Cisco IOS、Cisco IOS XE和Cisco IOS XR 安全漏洞 |
| CVE-2025-20174 | 7.7 HIGH | Cisco IOS和Cisco IOS XE 安全漏洞 |
| CVE-2025-20169 | 7.7 HIGH | Cisco IOS、Cisco IOS XE和Cisco IOS XR 安全漏洞 |
| CVE-2025-20184 | 6.5 MEDIUM | Cisco Secure Email and Web Manager and Secure Web Appliance Command Injection Vulnerabilit |
| CVE-2025-20179 | 6.1 MEDIUM | Cisco Expressway Series Cross-Site Scripting Vulnerability |
| CVE-2025-20183 | 5.8 MEDIUM | Cisco Secure Web Appliance Range Request Bypass Vulnerability |
| CVE-2025-20205 | 4.8 MEDIUM | Cisco Identity Services Engine Stored Cross-Site Scripting Vulnerability |
| CVE-2025-20204 | 4.8 MEDIUM | Cisco Identity Services Engine Stored Cross-Site Scripting Vulnerability |
| CVE-2025-20180 | 4.8 MEDIUM | Cisco Secure Email and Web Manager and Secure Email Gateway Cross-Site Scripting Vulnerabi |
| CVE-2025-20207 | 4.3 MEDIUM | Cisco Secure Email Gateway, Cisco Secure Email and Web Appliance and Cisco Secure Web Appl |
| CVE-2025-20185 | 3.4 LOW | Cisco Secure Email and Web Manager, Secure Email Gateway, and Secure Web Appliance Privile |
IV. Related Vulnerabilities
Same vendor: Cisco
- CVE-2026-20219
Cisco Slido 安全漏洞 - CVE-2026-20034
Cisco Unity Connection Remote Code Execution Vulnerability - CVE-2026-20035
Cisco Unity Connection Server-Side Request Forgery Vulnerabi - CVE-2026-20167
Cisco IoT Field Network Director Remote Device Denial of Ser - CVE-2026-20169
Cisco IoT Field Network Director Command Injection Vulnerabi
V. Comments for CVE-2025-20172
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