Hathway Skyworth Router CM5100 up to 4.1.1.24 Web Interface Add Downstream Frequency out-of-bounds write

Summaryinfo

A vulnerability, which was classified as critical, has been found in Hathway Skyworth Router CM5100 up to 4.1.1.24. Affected by this issue is some unknown functionality of the component Web Interface. This manipulation of the argument Add Downstream Frequency causes out-of-bounds write. The identification of this vulnerability is CVE-2023-51742. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in Hathway Skyworth Router CM5100 up to 4.1.1.24 (Router Operating System) and classified as critical. Affected by this vulnerability is an unknown functionality of the component Web Interface. The manipulation of the argument Add Downstream Frequency with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability. The summary by CVE is:

This vulnerability exist in Skyworth Router CM5100, version 4.1.1.24, due to insufficient validation of user supplied input for the Add Downstream Frequency parameter at its web interface. A remote attacker could exploit this vulnerability by supplying specially crafted input to the parameter at the web interface of the vulnerable targeted system. Successful exploitation of this vulnerability could allow the attacker to perform a Denial of Service (DoS) attack on the targeted system.

The weakness was shared 01/17/2024 by Sushant Mane, Parul Sindhwad, Tushar Nagrare and Dr. Faruk Kazi as CIVN-2024-0013. The advisory is shared at cert-in.org.in. This vulnerability is known as CVE-2023-51742 since 12/22/2023. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/10/2024).

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Router Operating System

Vendor

• Hathway

Name

• Skyworth Router CM5100

Version

• 4.1.1.0
• 4.1.1.1
• 4.1.1.2
• 4.1.1.3
• 4.1.1.4
• 4.1.1.5
• 4.1.1.6
• 4.1.1.7
• 4.1.1.8
• 4.1.1.9
• 4.1.1.10
• 4.1.1.11
• 4.1.1.12
• 4.1.1.13
• 4.1.1.14
• 4.1.1.15
• 4.1.1.16
• 4.1.1.17
• 4.1.1.18
• 4.1.1.19
• 4.1.1.20
• 4.1.1.21
• 4.1.1.22
• 4.1.1.23
• 4.1.1.24

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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