CVE-2023-7213: n350rt Stack Overflow — Exploit

Description

A vulnerability classified as critical was found in Totolink N350RT 9.3.5u.6139_B20201216. Affected by this vulnerability is the function main of the file /cgi-bin/cstecgi.cgi?action=login&flag=1 of the component HTTP POST Request Handler. The manipulation of the argument v33 leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-249769 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

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/2/README.md https://github.com/jylsec/vuldb/blob/main/TOTOLINK/N350RT/2/README.md

Other References

https://vuldb.com/?ctiid.249769 https://vuldb.com/?id.249769 https://vuldb.com/?ctiid.249769 https://vuldb.com/?id.249769

Frequently Asked Questions

What is CVE-2023-7213? +

A vulnerability classified as critical was found in Totolink N350RT 9.3.5u.6139_B20201216. Affected by this vulnerability is the function main of the file /cgi-bin/cstecgi.cgi?action=login&flag=1 of the component HTTP POST Request Handler. The manipulation of the argument v33 leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-249769 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 6.3 (MEDIUM).

How severe is CVE-2023-7213? +

CVE-2023-7213 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-2023-7213? +

CVE-2023-7213 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-2023-7213? +

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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