TP-LINK TL-WR741N/TL-WR741ND 3.11.7 Build 100603 Rel.56412n SSID input validation

Summaryinfo

A vulnerability labeled as problematic has been found in TP-LINK TL-WR741N and TL-WR741ND 3.11.7 Build 100603 Rel.56412n. Affected by this issue is some unknown functionality. The manipulation of the argument SSID with the input </script><H1>BUG/* </script><a href=XXX.com> as part of Parameter results in input validation. This vulnerability is identified as CVE-2017-14250. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as problematic has been found in TP-LINK TL-WR741N and TL-WR741ND 3.11.7 Build 100603 Rel.56412n (Router Operating System). Affected is an unknown part. The manipulation of the argument SSID with the input value </script><H1>BUG/* </script><a href=XXX.com> leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on integrity. CVE summarizes:

In TP-LINK TL-WR741N / TL-WR741ND 150M Wireless Lite N Router with Firmware Version 3.11.7 Build 100603 Rel.56412n and Hardware Version: WR741N v1/v2 00000000, parameter SSID in the "Wireless Settings" is not properly validated. It's possible to inject malicious code: </script><H1>BUG/* </script><a href=XXX.com>. The second payload blocks the change of wireless settings. A factory reset is required.

The bug was discovered 09/10/2017. The weakness was released 10/31/2017 (Website). The advisory is available at angeloanatrella86.github.io. This vulnerability is traded as CVE-2017-14250 since 09/10/2017. It is possible to launch the attack remotely. A authentication is necessary for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 51 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.

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Productinfo

Type

• Router Operating System

Vendor

• TP-LINK

Name

• TL-WR741N
• TL-WR741ND

Version

• 3.11.7 Build 100603 Rel.56412n

License

• commercial

Website

• Vendor: https://www.tp-link.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

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