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No exploitation reported

CVE-2023-4746

No exploitation reported by the sources we read.

  • Published2023-09-04
  • WeaknessCWE-134

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2023-09-0401:15CVE publishedNVD

Versions per branch

NVD
Totolink n200re-v5 firmwareversion to verify
BranchAffectedFixed in
9.3= 9.3.5u.6437_b20230519no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • CNACVSS 3.18.8known since 2026-10-23
  • NVDCVSS 3.18.8read 2026-10-23
  • CNACVSS 2.09known since 2026-10-23
  • CNAweakness (CWE)CWE-134known since 2026-10-23
  • NVDweakness (CWE)CWE-134read 2026-10-23
  • FIRST EPSSEPSS score3.7 %2026-11-08
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2023-09-04
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-76xj-3v79-3jwj

Frequently asked questions

What is CVE-2023-4746?

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.

Is CVE-2023-4746 actively exploited?

Active exploitation of CVE-2023-4746 has not been confirmed. Its EPSS score was 3.7% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-4746?

CVE-2023-4746 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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