A vulnerability, which was classified as critical, has been found in TRENDnet TV-IP110WN and TV-IP121WN (unknown version). Affected by this issue is an unknown code block of the file network.cgi. The manipulation as part of a POST Request leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in network.cgi on TRENDnet TV-IP110WN V1.2.2 build 68, V1.2.2.65, and V1.2.2 build 64 and TV-IP121WN V1.2.2 build 28 devices allows attackers to hijack the control flow to any attacker-specified location by crafting a POST request payload (without authentication).

The bug was discovered 12/07/2018. The weakness was disclosed 12/20/2018 as not defined mailinglist post (Full-Disclosure). The advisory is shared for download at seclists.org. This vulnerability is handled as CVE-2018-19240 since 11/13/2018. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 13 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-128251, VDB-128253 and VDB-128254 are pretty similar.

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Vendor

• TRENDnet

Name

• TV-IP110WN
• TV-IP121WN

License

• commercial

CPE 2.3info

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CPE 2.2info

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