CVE-2024-0996: i9 Stack Overflow — Exploit

Description

A vulnerability classified as critical has been found in Tenda i9 1.0.0.9(4122). This affects the function formSetCfm of the file /goform/setcfm of the component httpd. The manipulation of the argument funcpara1 leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-252261 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

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CVSS v3.1 Score

7.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-121 CWE-121

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
tenda	i9_firmware	All
tenda	i9	All

References

Exploits

https://jylsec.notion.site/Tenda-i9-has-stack-buffer-overflow-vulnerability-in-formSetCfm-c1bd9745c81e4207aceeaa1ba5e10563?pvs=4 https://jylsec.notion.site/Tenda-i9-has-stack-buffer-overflow-vulnerability-in-formSetCfm-c1bd9745c81e4207aceeaa1ba5e10563?pvs=4

Other References

https://vuldb.com/?ctiid.252261 https://vuldb.com/?id.252261 https://vuldb.com/?ctiid.252261 https://vuldb.com/?id.252261

Frequently Asked Questions

What is CVE-2024-0996? +

A vulnerability classified as critical has been found in Tenda i9 1.0.0.9(4122). This affects the function formSetCfm of the file /goform/setcfm of the component httpd. The manipulation of the argument funcpara1 leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-252261 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way. It has a CVSS v3.1 base score of 7.2 (HIGH).

How severe is CVE-2024-0996? +

CVE-2024-0996 has a CVSS v3.1 score of 7.2 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-0996? +

CVE-2024-0996 affects products from tenda, specifically: i9, i9_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-0996? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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