What’s Vulnerable › Vulnerabilities
CVE-2021-1552: Cisco Small Business 100, 300, and 500 Series Wireless Access Points Command Injection Vulnerabilities
- Severity: high (CVSS 7.2 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.7% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2021-05-22 · updated 2026-06-17
- Weakness: CWE-77
Description
Multiple vulnerabilities in the web-based management interface of certain Cisco Small Business 100, 300, and 500 Series Wireless Access Points could allow an authenticated, remote attacker to perform command injection attacks against an affected device. These vulnerabilities are due to improper validation of user-supplied input. An attacker could exploit these vulnerabilities by sending crafted HTTP requests to the web-based management interface of an affected system. A successful exploit could allow the attacker to execute arbitrary commands with root privileges on the device. To exploit these vulnerabilities, the attacker must have valid administrative credentials for the device.
Affected products
- Cisco Wap125 Firmware: through 1.0.3.1
- Cisco Wap131 Firmware: through 1.0.2.17
- Cisco Wap150 Firmware: through 1.1.2.4
- Cisco Wap351 Firmware: through 1.0.2.17
- Cisco Wap361 Firmware: through 1.1.2.4
- Cisco Wap581 Firmware: through 1.0.3.1
References
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-wap-inject-Mp9FSdG
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-wap-inject-Mp9FSdG
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