CVE-2023-7220
TOTOLINK Nr1800x Firmware vulnerability
- Published9 Jan 2024
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.
CVSS 3.1 breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HAffected products
Remediation
No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.
Frequently asked
Is CVE-2023-7220 being actively exploited?
CVE-2023-7220 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.50%.
How severe is CVE-2023-7220?
CVE-2023-7220 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 1.50% probability of exploitation.
Which products are affected by CVE-2023-7220?
Affected products include TOTOLINK Nr1800x Firmware.
How do I fix CVE-2023-7220?
Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.
How Secuno handles this
Secuno correlates vulnerabilities like CVE-2023-7220 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.
Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.