PT-2025-5715 · Cisco · Cisco Ios Xe+1

Leg00M · Published 2025-02-05 · Updated 2025-07-03 · CVE-2025-20170

Positive Technologies (AI Summary)

CVSS v3.1

7.7

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions: Cisco IOS Software and Cisco IOS XE Software (affected versions not specified)

Description: A vulnerability in the SNMP subsystem could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This 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, potentially causing the device to reload unexpectedly. The 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.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Weakness Enumeration

CWE-805

Related Identifiers

BDU:2025-04964

CVE-2025-20170

ZDI-25-280

Affected Products

Cisco Ios

Cisco Ios Xe

References · 9

• https://zerodayinitiative.com/advisories/ZDI-25-280 · Security Note
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snmp-dos-sdxnSUcW · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-20170 · Security Note
• https://osv.dev/vulnerability/CVE-2025-20170 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-04964 · Security Note
• https://twitter.com/CVEnew/status/1887182689075089886 · Twitter Post
• https://t.me/cvedetector/17309 · Telegram Post
• https://twitter.com/cracbot/status/1888905856147955850 · Twitter Post
• https://t.me/cvenotify/127620 · Telegram Post