Secuno
ENNL
Book demo

CVE-2023-54334

Explorerplusplus Explorer++ remote code execution

9.8 CRITICALPublic exploitEPSS 0.59%
  1. Published13 Jan 2026

Description

Explorer32++ 1.3.5.531 contains a buffer overflow vulnerability in Structured Exception Handler (SEH) records that allows attackers to execute arbitrary code. Attackers can exploit the vulnerability by providing a long file name argument over 396 characters to corrupt the SEH chain and potentially execute malicious code.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Explorerplusplus Explorer++1.3.5.531

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

CVE-2026-10910910.0
A vulnerability was detected in Wavlink WL-WN530BE1-A 251117. This vulnerability…
CVE-2026-854578.1
IBM Planning Analytics 2.0, and 2.1 could allow a remote authenticated attacker to…
CVE-2026-962668.2
IBM Power Systems Firmware FW1060.00 through FW1060.81 is affected by a vulnerability…
CVE-2026-962648.2
IBM Power Systems Firmware FW1060.00 through FW1060.81 is affected by a vulnerability…
CVE-2026-962638.2
IBM Power Systems Firmware FW1120.00 through FW1120.01, FW1110.00 through FW1110.31,…
CVE-2026-962628.2
IBM Power Systems Firmware FW1060.00 through FW1060.81 is affected by a vulnerability…

Frequently asked

Is CVE-2023-54334 being actively exploited?

CVE-2023-54334 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.59%.

How severe is CVE-2023-54334?

CVE-2023-54334 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.59% probability of exploitation.

Which products are affected by CVE-2023-54334?

Affected products include Explorerplusplus Explorer++.

How do I fix CVE-2023-54334?

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-2023-54334 against the real software inventory on every managed device, as each hourly inventory arrives. 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.

See how prioritisation worksBook a demo

Get Patch this first every Monday

Five vulnerabilities that matter this week, ranked on real exploitation. Plain language, one email, no spam.

You can unsubscribe with one click from every issue. We handle your details as described in our privacy policy.

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.