CVE-2023-7187

Name: CVE-2023-7187
Creator: NVD / NIST
Published: 2023-12-31T14:15:42.383+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.71%

Last modified Jun 17, 2026

CVE-2023-7187 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A vulnerability was found in Totolink N350RT 9.3.5u.6139_B20201216. It has been rated as critical. EPSS estimates a 0.71% chance of exploitation in the next 30 days.

Description

A vulnerability was found in Totolink N350RT 9.3.5u.6139_B20201216. It has been rated as critical. This issue affects some unknown processing of the file /cgi-bin/cstecgi.cgi?action=login&flag=ie8 of the component HTTP POST Request Handler. The manipulation leads to stack-based buffer overflow. The exploit has been disclosed to the public and may be used. The identifier VDB-249389 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.71%

48.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-121

Affected Software

Vendor	Product	Versions
Totolink	N350rt Firmware	9.3.5u.6139_b20201216

References

https://github.com/jylsec/vuldb/blob/main/TOTOLINK/N350RT/1/README.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.249389Third Party Advisory
https://vuldb.com/?id.249389Third Party Advisory
https://github.com/jylsec/vuldb/blob/main/TOTOLINK/N350RT/1/README.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.249389Third Party Advisory
https://vuldb.com/?id.249389Third Party Advisory

Timeline

Published: Dec 31, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-7187?

How severe is CVE-2023-7187?

CVE-2023-7187 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.71% probability of exploitation in the next 30 days.

How do I fix CVE-2023-7187?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-7187?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST