Hathway Skyworth Router CM5100 up to 4.1.1.24 Web Interface Set Upstream Channel ID out-of-bounds write

Summaryinfo

A vulnerability classified as critical was found in Hathway Skyworth Router CM5100 up to 4.1.1.24. Affected by this vulnerability is an unknown functionality of the component Web Interface. The manipulation of the argument Set Upstream Channel ID results in out-of-bounds write. This vulnerability was named CVE-2023-51743. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, was found in Hathway Skyworth Router CM5100 up to 4.1.1.24 (Router Operating System). Affected is an unknown function of the component Web Interface. The manipulation of the argument Set Upstream Channel ID with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on availability. CVE summarizes:

This vulnerability exist in Skyworth Router CM5100, version 4.1.1.24, due to insufficient validation of user supplied input for the Set Upstream Channel ID (UCID) 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 presented 01/17/2024 by Sushant Mane, Parul Sindhwad, Tushar Nagrare and Dr. Faruk Kazi as CIVN-2024-0013. The advisory is shared for download at cert-in.org.in. This vulnerability is traded as CVE-2023-51743 since 12/22/2023. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (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.

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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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