CVE-2023-4746

Name: CVE-2023-4746
Creator: NVD / NIST
Published: 2023-09-04T01:15:07.437+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 3.15%

Last modified Jun 17, 2026

CVE-2023-4746 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A vulnerability classified as critical has been found in TOTOLINK N200RE V5 9.3.5u.6437_B20230519. This affects the function Validity_check. EPSS estimates a 3.15% chance of exploitation in the next 30 days.

Description

A vulnerability classified as critical has been found in TOTOLINK N200RE V5 9.3.5u.6437_B20230519. This affects the function Validity_check. The manipulation leads to format string. It is possible to initiate the attack remotely. The root-cause of the vulnerability is a format string issue. But the impact is to bypass the validation which leads to to OS command injection. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-238635.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

3.15%

86.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Totolink	N200re-V5 Firmware	9.3.5u.6437_b20230519

References

https://gist.github.com/dmknght/8f3b6aa65e9d08f45b5236c6e9ab8d80Exploit, Third Party Advisory
https://vuldb.com/?ctiid.238635Permissions Required
https://vuldb.com/?id.238635Third Party Advisory
https://gist.github.com/dmknght/8f3b6aa65e9d08f45b5236c6e9ab8d80Exploit, Third Party Advisory
https://vuldb.com/?ctiid.238635Permissions Required
https://vuldb.com/?id.238635Third Party Advisory

Timeline

Published: Sep 4, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-4746?

How severe is CVE-2023-4746?

CVE-2023-4746 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 3.15% probability of exploitation in the next 30 days.

How do I fix CVE-2023-4746?

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-2023-4746?

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

Scan your code now

Source: NVD / NIST