CVE-2023-7220: nr1800x Stack Overflow — Exploit

Description

A vulnerability was found in Totolink NR1800X 9.1.0u.6279_B20210910 and classified as critical. Affected by this issue is the function loginAuth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument password 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-249854 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

9.8

CRITICAL

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

Weakness Type (CWE)

CWE-121 CWE-121

Affected Products

Vendor	Product	Versions
totolink	nr1800x_firmware	All
totolink	nr1800x	All

References

Exploits

https://github.com/jylsec/vuldb/blob/main/TOTOLINK/NR1800X/1/README.md https://github.com/jylsec/vuldb/blob/main/TOTOLINK/NR1800X/1/README.md

Other References

https://vuldb.com/?ctiid.249854 https://vuldb.com/?id.249854 https://vuldb.com/?ctiid.249854 https://vuldb.com/?id.249854

Frequently Asked Questions

What is CVE-2023-7220? +

A vulnerability was found in Totolink NR1800X 9.1.0u.6279_B20210910 and classified as critical. Affected by this issue is the function loginAuth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument password 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-249854 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 9.8 (CRITICAL).

How severe is CVE-2023-7220? +

CVE-2023-7220 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2023-7220? +

CVE-2023-7220 affects products from totolink, specifically: nr1800x, nr1800x_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-7220? +

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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