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CVE-2017-15655

9.6 · CRITICAL

Multiple buffer overflow vulnerabilities exist in the HTTPd server in Asus asuswrt version <=3.0.0.4.376.X.

Published Jan 31, 2018CWE-119EPSS 3.09%

Overview

CVE-2017-15655 is a critical-severity vulnerability. It was published on January 31, 2018 and has a CVSS 3.0 base score of 9.6 (CRITICAL).

This vulnerability has a CVSS 3.0 base score of 9.6, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Multiple buffer overflow vulnerabilities exist in the HTTPd server in Asus asuswrt version <=3.0.0.4.376.X. All have been fixed in version 3.0.0.4.378, but this vulnerability was not previously disclosed. Some end-of-life routers have this version as the newest and thus are vulnerable at this time. This vulnerability allows for RCE with administrator rights when the administrator visits several pages.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

Refpacketstormsecurity.com/files/145921/ASUSWRT-3.0.0.4.382.18495-Session-Hijacking-Information-Disclosure.htmlRefseclists.org/fulldisclosure/2018/Jan/63Refsploit.tech/2018/01/16/ASUS-part-I.htmlRefpacketstormsecurity.com/files/145921/ASUSWRT-3.0.0.4.382.18495-Session-Hijacking-Information-Disclosure.htmlRefseclists.org/fulldisclosure/2018/Jan/63Refsploit.tech/2018/01/16/ASUS-part-I.html

How CyberStrike helps

Frequently asked questions

What is CVE-2017-15655?

CVE-2017-15655 is a critical-severity vulnerability. It was published on January 31, 2018 and has a CVSS 3.0 base score of 9.6 (CRITICAL).

How severe is CVE-2017-15655?

This vulnerability has a CVSS 3.0 base score of 9.6, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-15655?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2017-15655?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-15655 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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