PT-2025-39301 · Cisco · Cisco Ios Xe

Published 2025-09-24 · Updated 2025-09-25 · CVE-2025-20313

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:L/AC:L/Au:S/C:C/I:C/A:C

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

Description The software contains flaws that could allow an authenticated local attacker with level-15 privileges, or an unauthenticated attacker with physical access to the device, to execute persistent code at boot time and compromise the chain of trust. These issues stem from path traversal and improper image integrity validation, potentially enabling an attacker to execute persistent code on the underlying operating system. Cisco has assessed the security impact as High.

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

Weakness Enumeration

CWE-35

Related Identifiers

BDU:2025-11720

CVE-2025-20313

Affected Products

Cisco Ios Xe

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2025-20313 · Security Note
• https://bdu.fstec.ru/vul/2025-11720 · Security Note
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-secboot-UqFD8AvC · Vendor Advisory
• https://t.me/CVEtracker/33262 · Telegram Post
• https://twitter.com/CVEnew/status/1970906980949565832 · Twitter Post
• https://twitter.com/leftSECURE/status/1971300024782111038 · Twitter Post