HOMEVULNERABILITIESCVE-2023-34260
HIGH

CVE-2023-34260

CWE-22Published: November 3, 2023· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

Kyocera TASKalfa 4053ci printers through 2VG_S000.002.561 allow a denial of service (service outage) via /wlmdeu%2f%2e%2e%2f%2e%2e followed by a directory reference such as %2fetc%00index.htm to try to read the /etc directory.

NVD Source

Technical Analysis

CVE-2023-34260 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

kyocera2 product(s)
d-copia253mf plus firmwared-copia253mf plus
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (4)

https://seclists.org/fulldisclosure/2023/Jul/15Exploit · Mailing List · Third Party Advisory
https://seclists.org/fulldisclosure/2023/Jul/15Exploit · Mailing List · Third Party Advisory

Quick Facts

CVE IDCVE-2023-34260
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-22
CISA KEVNo
Affected1 vendor(s)
PublishedNov 3, 2023

Related CVEs (CWE-22)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2023-34260 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.