HOMEVULNERABILITIESCVE-2023-5143
CRITICAL

CVE-2023-5143

NVD-CWE-noinfoPublished: September 24, 2023· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

** UNSUPPORTED WHEN ASSIGNED ** A vulnerability, which was classified as critical, has been found in D-Link DAR-7000 up to 20151231. This issue affects some unknown processing of the file /log/webmailattach.php. The manipulation of the argument table_name leads to an unknown weakness. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-240239. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. NOTE: Vendor was contacted early and confirmed immediately that the product is end-of-life. It should be retired and replaced.

NVD Source

Risk Analysis

D-Link DAR-7000 firmware is vulnerable to an issue in the webmailattach.php file, which can be manipulated to cause an unknown weakness. This critical vulnerability is rated 9.8 on the CVSS scale.

No public exploit is known, and it is not in the CISA KEV. The vulnerability is remotely exploitable with low complexity.

Recommended Action

The product is end-of-life and unsupported; it should be retired and replaced with a currently supported device.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-5143 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 complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

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

Affected Vendors & Products

dlink2 product(s)
dar-7000 firmwaredar-7000
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (8)

Quick Facts

CVE IDCVE-2023-5143
CVSS Score9.8 / 10
SeverityCRITICAL
CISA KEVNo
Affected1 vendor(s)
PublishedSep 24, 2023

Related CVEs (NVD-CWE-noinfo)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2023-5143 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. CVE data is provided under the NVD usage policy.