CVE-2023-7220

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-121

Affected software

Vendor	Product	Versions
Totolink	NR1800X	9.1.0u.6279_B20210910

References

https://github.com/jylsec/vuldb/blob/main/TOTOLINK/NR1800X/1/README.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.249854Permissions Required, Third Party Advisory
https://vuldb.com/?id.249854Permissions Required, Third Party Advisory
https://github.com/jylsec/vuldb/blob/main/TOTOLINK/NR1800X/1/README.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.249854Permissions Required, Third Party Advisory
https://vuldb.com/?id.249854Permissions Required, Third Party Advisory

Timeline

Published: Jan 9, 2024
Last modified: Jun 17, 2026
NVD status: Modified

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