Cisco SD-WAN Command Injection Vulnerabilities
Description
Multiple vulnerabilities in Cisco SD-WAN products could allow an authenticated attacker to perform command injection attacks against an affected device, which could allow the attacker to take certain actions with root privileges on the device. For more information about these vulnerabilities, see the Details section of this advisory.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Command injection in Cisco SD-WAN products allows authenticated attackers to execute arbitrary commands with root privileges.
Vulnerability
CVE-2021-1263 is a command injection vulnerability in Cisco SD-WAN products. The vulnerability is due to improper input validation of user-supplied input in an unspecified component. An authenticated attacker can exploit this vulnerability to execute arbitrary commands. Affected versions include multiple releases of Cisco SD-WAN software; specific versions are not detailed in the available references [1].
Exploitation
An authenticated attacker (remote or local, depending on the product) can exploit this vulnerability by submitting crafted input to the vulnerable interface. The exact exploitation steps are not disclosed in the available references [1].
Impact
Successful exploitation grants the attacker root privileges on the affected device, allowing full control over the system, including the ability to read, modify, or delete data, and pivot to other systems.
Mitigation
Cisco has released software updates to address this vulnerability as part of the advisory covering multiple CVEs [1]. There are no workarounds. Users should upgrade to fixed versions as specified in the advisory.
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- Range: 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-sdwan-cmdinjm-9QMSmgcnmitrevendor-advisoryx_refsource_CISCO
News mentions
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