Cisco SD-WAN Solution Improper Access Control Vulnerability
Description
A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to gain escalated privileges. This vulnerability is due to improper access control on files within the affected system. A local attacker could exploit this vulnerability by modifying certain files on the vulnerable device. If successful, the attacker could gain escalated privileges and take actions on the system with the privileges of the root user.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
An authenticated local attacker can escalate privileges to root in Cisco SD-WAN Software by modifying files due to improper access control.
Vulnerability
The vulnerability resides in the CLI of Cisco SD-WAN Software and is due to improper access control on files within the system. An authenticated local attacker can modify certain files to escalate privileges. Affected versions include Cisco SD-WAN Software releases prior to the fixed versions detailed in the Cisco Security Advisory [1].
Exploitation
An attacker must have local access to the device and be authenticated. The exploitation involves modifying specific files on the vulnerable device. No additional user interaction is required beyond the initial authentication. The attacker can then leverage the modified files to gain escalated privileges.
Impact
Successful exploitation allows the attacker to gain root privileges on the affected device. With root access, the attacker can execute arbitrary commands, access sensitive data, and perform any action with full system control.
Mitigation
Cisco has released free software updates to address this vulnerability. Customers should upgrade to the fixed versions as indicated in the Cisco Security Advisory [1]. No workarounds are available. Customers with service contracts can obtain updates through their usual channels.
AI Insight generated on May 26, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.
Affected products
2- Cisco/Cisco SD-WAN Solutionv5Range: n/a
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-file-access-VW36d28Pmitrevendor-advisoryx_refsource_CISCO
News mentions
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