CVE-2024-0999: n200re Stack Overflow — Exploit

Description

A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216. It has been declared as critical. This vulnerability affects the function setParentalRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument eTime leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-252268. 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

Affected Products

Vendor	Product	Versions
totolink	n200re_firmware	All
totolink	n200re	All

References

Exploits

https://jylsec.notion.site/TOTOLINK-N200RE-has-stack-buffer-overflow-vulnerability-in-setParentalRules-f891c062b86349a596ee173cb456b4f6?pvs=4 https://jylsec.notion.site/TOTOLINK-N200RE-has-stack-buffer-overflow-vulnerability-in-setParentalRules-f891c062b86349a596ee173cb456b4f6?pvs=4

Other References

https://vuldb.com/?ctiid.252268 https://vuldb.com/?id.252268 https://vuldb.com/?ctiid.252268 https://vuldb.com/?id.252268

Frequently Asked Questions

What is CVE-2024-0999? +

A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216. It has been declared as critical. This vulnerability affects the function setParentalRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument eTime leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-252268. 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-2024-0999? +

CVE-2024-0999 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-2024-0999? +

CVE-2024-0999 affects products from totolink, specifically: n200re, n200re_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-0999? +

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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