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CVE-2011-0746

4.3 · MEDIUM

Cross-site request forgery (CSRF) vulnerability in Forms/PortForwarding_Edit_1 on the ZyXEL O2 DSL Router Classic allows remote attackers to hijack the authentication of administrators for requests…

Published Apr 13, 2011zyxelCWE-352EPSS 0.54%

Overview

CVE-2011-0746 is a medium-severity vulnerability affecting zyxel o2_dsl_router_classic. It was published on April 13, 2011 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Cross-site request forgery (CSRF) vulnerability in Forms/PortForwarding_Edit_1 on the ZyXEL O2 DSL Router Classic allows remote attackers to hijack the authentication of administrators for requests that insert cross-site scripting (XSS) sequences via the PortRule_Name parameter.

Remediation

Check the references section for vendor advisories and patches from zyxel. Update o2_dsl_router_classic 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

VendorProductVersionsStatus

References

Refint21.de/cve/CVE-2011-0746-o2-router.htmlRefsecurityreason.com/securityalert/8198Refwww.securityfocus.com/archive/1/517399/100/0/threadedRefint21.de/cve/CVE-2011-0746-o2-router.htmlRefsecurityreason.com/securityalert/8198Refwww.securityfocus.com/archive/1/517399/100/0/threaded

How CyberStrike helps

Frequently asked questions

What is CVE-2011-0746?

CVE-2011-0746 is a medium-severity vulnerability affecting zyxel o2_dsl_router_classic. It was published on April 13, 2011 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

How severe is CVE-2011-0746?

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-0746?

Check the references section for vendor advisories and patches from zyxel. Update o2_dsl_router_classic 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-2011-0746?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-0746 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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