CVE-2023-5143
NVD-CWE-noinfoPublished: September 24, 2023· Updated: Jun 17, 2026
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.
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.
The product is end-of-life and unsupported; it should be retired and replaced with a currently supported device.
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
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (8)
Quick Facts
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