CVE-2023-7214: n350rt Stack Overflow — Exploit

Description

A vulnerability, which was classified as critical, has been found in Totolink N350RT 9.3.5u.6139_B20201216. Affected by this issue is the function main of the file /cgi-bin/cstecgi.cgi?action=login of the component HTTP POST Request Handler. The manipulation of the argument v8 leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-249770 is the identifier 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

6.3

MEDIUM

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

Weakness Type (CWE)

CWE-121 CWE-121

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
totolink	n350rt_firmware	All
totolink	n350rt	All

References

Exploits

https://github.com/jylsec/vuldb/blob/main/TOTOLINK/N350RT/3/README.md https://github.com/jylsec/vuldb/blob/main/TOTOLINK/N350RT/3/README.md

Other References

https://vuldb.com/?ctiid.249770 https://vuldb.com/?id.249770 https://vuldb.com/?ctiid.249770 https://vuldb.com/?id.249770

Frequently Asked Questions

What is CVE-2023-7214? +

A vulnerability, which was classified as critical, has been found in Totolink N350RT 9.3.5u.6139_B20201216. Affected by this issue is the function main of the file /cgi-bin/cstecgi.cgi?action=login of the component HTTP POST Request Handler. The manipulation of the argument v8 leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-249770 is the identifier 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 6.3 (MEDIUM).

How severe is CVE-2023-7214? +

CVE-2023-7214 has a CVSS v3.1 score of 6.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2023-7214? +

CVE-2023-7214 affects products from totolink, specifically: n350rt, n350rt_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-7214? +

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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