Vulnerability Monitor

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CVE-2025-20312


A vulnerability in the Simple Network Management Protocol (SNMP) subsystem of Cisco IOS XE Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper error handling when parsing a specific SNMP request. An attacker could exploit this vulnerability by sending a specific SNMP request to an affected device. A successful exploit could allow the attacker to cause the device to reload unexpectedly, resulting in a DoS condition. This vulnerability affects SNMP versions 1, 2c, and 3. To exploit this vulnerability through SNMPv2c 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 SNMPv3, the attacker must have valid SNMP user credentials for the affected system.


Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.7, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 1 product from cisco organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2025, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2025-09-24T18:15:34.947

Last Modified

2026-09-26T00:10:00.127

Status

Undergoing Analysis

Source

[email protected]

Severity

CVSSv3.1: 7.7 (HIGH)

Weaknesses
  • Type: Secondary
    CWE-835

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco ios_xe 17.2.1 Yes
Operating System cisco ios_xe 17.2.1a Yes
Operating System cisco ios_xe 17.2.1r Yes
Operating System cisco ios_xe 17.2.1v Yes
Operating System cisco ios_xe 17.2.2 Yes
Operating System cisco ios_xe 17.2.3 Yes
Operating System cisco ios_xe 17.3.1 Yes
Operating System cisco ios_xe 17.3.1a Yes
Operating System cisco ios_xe 17.3.1w Yes
Operating System cisco ios_xe 17.3.1x Yes
Operating System cisco ios_xe 17.3.1z Yes
Operating System cisco ios_xe 17.3.2 Yes
Operating System cisco ios_xe 17.3.2a Yes
Operating System cisco ios_xe 17.3.3 Yes
Operating System cisco ios_xe 17.3.4 Yes
Operating System cisco ios_xe 17.3.4a Yes
Operating System cisco ios_xe 17.3.4b Yes
Operating System cisco ios_xe 17.3.4c Yes
Operating System cisco ios_xe 17.3.5 Yes
Operating System cisco ios_xe 17.3.5a Yes
Operating System cisco ios_xe 17.3.5b Yes
Operating System cisco ios_xe 17.3.6 Yes
Operating System cisco ios_xe 17.3.7 Yes
Operating System cisco ios_xe 17.3.8 Yes
Operating System cisco ios_xe 17.3.8a Yes
Operating System cisco ios_xe 17.4.1 Yes
Operating System cisco ios_xe 17.4.1a Yes
Operating System cisco ios_xe 17.4.1b Yes
Operating System cisco ios_xe 17.4.2 Yes
Operating System cisco ios_xe 17.4.2a Yes
Operating System cisco ios_xe 17.5.1 Yes
Operating System cisco ios_xe 17.5.1a Yes
Operating System cisco ios_xe 17.6.1 Yes
Operating System cisco ios_xe 17.6.1a Yes
Operating System cisco ios_xe 17.6.1w Yes
Operating System cisco ios_xe 17.6.1x Yes
Operating System cisco ios_xe 17.6.1y Yes
Operating System cisco ios_xe 17.6.1z Yes
Operating System cisco ios_xe 17.6.1z1 Yes
Operating System cisco ios_xe 17.6.2 Yes
Operating System cisco ios_xe 17.6.3 Yes
Operating System cisco ios_xe 17.6.3a Yes
Operating System cisco ios_xe 17.6.4 Yes
Operating System cisco ios_xe 17.6.5 Yes
Operating System cisco ios_xe 17.6.5a Yes
Operating System cisco ios_xe 17.6.6 Yes
Operating System cisco ios_xe 17.6.6a Yes
Operating System cisco ios_xe 17.6.7 Yes
Operating System cisco ios_xe 17.6.8 Yes
Operating System cisco ios_xe 17.6.8a Yes
Operating System cisco ios_xe 17.7.1 Yes
Operating System cisco ios_xe 17.7.1a Yes
Operating System cisco ios_xe 17.7.1b Yes
Operating System cisco ios_xe 17.7.2 Yes
Operating System cisco ios_xe 17.8.1 Yes
Operating System cisco ios_xe 17.8.1a Yes
Operating System cisco ios_xe 17.9.1 Yes
Operating System cisco ios_xe 17.9.1a Yes
Operating System cisco ios_xe 17.9.1w Yes
Operating System cisco ios_xe 17.9.1x Yes
Operating System cisco ios_xe 17.9.1x1 Yes
Operating System cisco ios_xe 17.9.1y Yes
Operating System cisco ios_xe 17.9.1y1 Yes
Operating System cisco ios_xe 17.9.2 Yes
Operating System cisco ios_xe 17.9.2a Yes
Operating System cisco ios_xe 17.9.3 Yes
Operating System cisco ios_xe 17.9.3a Yes
Operating System cisco ios_xe 17.9.4 Yes
Operating System cisco ios_xe 17.9.4a Yes
Operating System cisco ios_xe 17.9.5 Yes
Operating System cisco ios_xe 17.9.5a Yes
Operating System cisco ios_xe 17.9.5b Yes
Operating System cisco ios_xe 17.9.5e Yes
Operating System cisco ios_xe 17.9.5f Yes
Operating System cisco ios_xe 17.9.6 Yes
Operating System cisco ios_xe 17.9.6a Yes
Operating System cisco ios_xe 17.9.7 Yes
Operating System cisco ios_xe 17.9.7a Yes
Operating System cisco ios_xe 17.9.7b Yes
Operating System cisco ios_xe 17.10.1 Yes
Operating System cisco ios_xe 17.10.1a Yes
Operating System cisco ios_xe 17.10.1b Yes
Operating System cisco ios_xe 17.11.1 Yes
Operating System cisco ios_xe 17.11.1a Yes
Operating System cisco ios_xe 17.12.1 Yes
Operating System cisco ios_xe 17.12.1a Yes
Operating System cisco ios_xe 17.12.1w Yes
Operating System cisco ios_xe 17.12.1x Yes
Operating System cisco ios_xe 17.12.1y Yes
Operating System cisco ios_xe 17.12.1z Yes
Operating System cisco ios_xe 17.12.1z1 Yes
Operating System cisco ios_xe 17.12.1z2 Yes
Operating System cisco ios_xe 17.12.1z3 Yes
Operating System cisco ios_xe 17.12.1z4 Yes
Operating System cisco ios_xe 17.12.2 Yes
Operating System cisco ios_xe 17.12.2a Yes
Operating System cisco ios_xe 17.12.3 Yes
Operating System cisco ios_xe 17.12.3a Yes
Operating System cisco ios_xe 17.12.4 Yes
Operating System cisco ios_xe 17.12.4a Yes
Operating System cisco ios_xe 17.12.4b Yes
Operating System cisco ios_xe 17.12.5 Yes
Operating System cisco ios_xe 17.12.5a Yes
Operating System cisco ios_xe 17.12.5b Yes
Operating System cisco ios_xe 17.12.5c Yes
Operating System cisco ios_xe 17.13.1 Yes
Operating System cisco ios_xe 17.13.1a Yes
Operating System cisco ios_xe 17.14.1 Yes
Operating System cisco ios_xe 17.14.1a Yes
Operating System cisco ios_xe 17.15.1 Yes
Operating System cisco ios_xe 17.15.1a Yes
Operating System cisco ios_xe 17.15.1b Yes
Operating System cisco ios_xe 17.15.1w Yes
Operating System cisco ios_xe 17.15.1x Yes
Operating System cisco ios_xe 17.15.1y Yes
Operating System cisco ios_xe 17.15.1z Yes
Operating System cisco ios_xe 17.15.2 Yes
Operating System cisco ios_xe 17.15.2a Yes
Operating System cisco ios_xe 17.15.2b Yes
Operating System cisco ios_xe 17.15.2c Yes
Operating System cisco ios_xe 17.15.3 Yes
Operating System cisco ios_xe 17.15.3a Yes
Operating System cisco ios_xe 17.15.3b Yes
Operating System cisco ios_xe 17.16.1 Yes
Operating System cisco ios_xe 17.16.1a Yes
Operating System cisco ios_xe 17.17.1 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For cisco's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.