CVE-2021-1602
8.2 · HIGHOverview
CVE-2021-1602 is a high-severity vulnerability affecting cisco small_business_rv_series_router_firmware. It was published on August 4, 2021 and has a CVSS 3.1 base score of 8.2 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A vulnerability in the web-based management interface of Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers could allow an unauthenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected device. This vulnerability is due to insufficient user input validation. An attacker could exploit this vulnerability by sending a crafted request to the web-based management interface. A successful exploit could allow the attacker to execute arbitrary commands on an affected device using root-level privileges. Due to the nature of the vulnerability, only commands without parameters can be executed.
Remediation
Check the references section for vendor advisories and patches from cisco. Update small_business_rv_series_router_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| cisco | small_business_rv_series_router_firmware | >= 0, < 1.0.01.04 | Affected |
Frequently Asked Questions
What is CVE-2021-1602?
CVE-2021-1602 is a high-severity vulnerability affecting cisco small_business_rv_series_router_firmware. It was published on August 4, 2021 and has a CVSS 3.1 base score of 8.2 (HIGH).
How severe is CVE-2021-1602?
This vulnerability has a CVSS 3.1 base score of 8.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-1602?
Check the references section for vendor advisories and patches from cisco. Update small_business_rv_series_router_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-1602?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-1602 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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