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CVE-2025-20315

Quick assessment

Affected
Cisco Cisco IOS XE Software
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 IOS XE是美国思科（Cisco）公司的一个操作系统。用于企业有线和无线访问，汇聚，核心和WAN的单一操作系统，Cisco IOS XE降低了业务和网络的复杂性。 Cisco IOS XE存在安全漏洞，该漏洞源于对畸形CAPWAP数据包处理不当，可能导致设备意外重启，造成拒绝服务。

CVSS 8.6 · High EPSS 0.44% · P36

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-20315

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the Network-Based Application Recognition (NBAR) feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, causing a denial of service (DoS) condition. This vulnerability is due to improper handling of malformed Control and Provisioning of Wireless Access Points (CAPWAP) packets. An attacker could exploit this vulnerability by sending malformed CAPWAP packets through an affected device. A successful exploit could allow the attacker to cause the device to reload unexpectedly, resulting in a DoS condition.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用不正确的长度值访问缓冲区
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco IOS XE 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco IOS XE是美国思科（Cisco）公司的一个操作系统。用于企业有线和无线访问，汇聚，核心和WAN的单一操作系统，Cisco IOS XE降低了业务和网络的复杂性。 Cisco IOS XE存在安全漏洞，该漏洞源于对畸形CAPWAP数据包处理不当，可能导致设备意外重启，造成拒绝服务。
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 IOS XE Software 3.7.0S -

II. Public POCs for CVE-2025-20315

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III. Intelligence Information for CVE-2025-20315

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Vendor Advisories for CVE-2025-20315 (1)

Same Patch Batch · Cisco · 2025-09-24 · 17 CVEs total

CVE-2025-20334 8.8 HIGH Cisco IOS XE 命令注入漏洞
CVE-2025-20160 8.1 HIGH Cisco IOS和Cisco IOS XE Software 授权问题漏洞
CVE-2025-20327 7.7 HIGH Cisco IOS 安全漏洞
CVE-2025-20312 7.7 HIGH Cisco IOS XE 安全漏洞
CVE-2025-20352 7.7 HIGH Cisco IOS和Cisco IOS XE Software 安全漏洞
CVE-2025-20311 7.4 HIGH Cisco IOS XE Software 代码问题漏洞
CVE-2025-20314 6.7 MEDIUM Cisco IOS XE 安全漏洞
CVE-2025-20313 6.7 MEDIUM Cisco IOS XE 安全漏洞
CVE-2025-20149 6.5 MEDIUM Cisco IOS和Cisco IOS XE 安全漏洞
CVE-2025-20240 6.1 MEDIUM Cisco IOS XE Software 安全漏洞
CVE-2025-20338 6.0 MEDIUM Cisco IOS XE 安全漏洞
CVE-2025-20339 5.8 MEDIUM Cisco SD-WAN vEdge Software Access Control List Bypass Vulnerability
CVE-2025-20316 5.3 MEDIUM Cisco IOS XE 访问控制错误漏洞
CVE-2025-20293 5.3 MEDIUM Cisco IOS XE Software 安全漏洞
CVE-2025-20365 4.3 MEDIUM Cisco Access Point Software 安全漏洞
CVE-2025-20364 4.3 MEDIUM Cisco Wireless LAN Controller 安全漏洞

IV. Related Vulnerabilities

Same product: Cisco IOS XE Software
Same vendor: Cisco
Same weakness: CWE-805

V. Comments for CVE-2025-20315

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