Vulnerability identifier: #VU10255

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:F/RL:O/RC:C]

CVE-ID: CVE-2018-5999

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
AsusWRT
Hardware solutions / Firmware

Vendor: Asus

Description
The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness exists due to a flaw in the handle_request function in router/httpd/httpd.c. A remote attacker can send a specially crafted HTTP POST request and bypass security restrictions.

Mitigation
Update to version 3.0.0.4.384_10007 or later.

Vulnerable software versions

AsusWRT: 3.0.0.4.380.7743

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External links
http://blogs.securiteam.com/index.php/archives/3589

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.