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CVE-2019-7311

7.8 · HIGH

An issue was discovered on Linksys WRT1900ACS 1.0.3.187766 devices.

Published Jun 6, 2019CWE-311EPSS 0.18%

Overview

CVE-2019-7311 is a high-severity vulnerability. It was published on June 6, 2019 and has a CVSS 3.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

An issue was discovered on Linksys WRT1900ACS 1.0.3.187766 devices. A lack of encryption in how the user login cookie (admin-auth) is stored on a victim's computer results in the admin password being discoverable by a local attacker, and usable to gain administrative access to the victim's router. The admin password is stored in base64 cleartext in an "admin-auth" cookie. An attacker sniffing the network at the time of login could acquire the router's admin password. Alternatively, gaining physical access to the victim's computer soon after an administrative login could result in compromise.

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

Refwww.x0rsecurity.com/2019/05/03/my-first-cve-linksys-wrt-1300-acs-cve-2019-7311/Refrobot-security.blogspot.comRefwww.x0rsecurity.com/2019/05/03/my-first-cve-linksys-wrt-1300-acs-cve-2019-7311/Refrobot-security.blogspot.com

How CyberStrike helps

Frequently asked questions

What is CVE-2019-7311?

CVE-2019-7311 is a high-severity vulnerability. It was published on June 6, 2019 and has a CVSS 3.0 base score of 7.8 (HIGH).

How severe is CVE-2019-7311?

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2019-7311?

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-2019-7311?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-7311 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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