CVE-2025-10123 — D-Link DIR-823X Vulnerability

What is CVE-2025-10123?

A vulnerability was determined in D-Link DIR-823X up to 250416. Affected by this vulnerability is the function sub_415028 of the file /goform/set_static_leases. Executing manipulation of the argument Hostname can lead to command injection. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.

The record classifies CVE-2025-10123 under weakness classes CWE-77, CWE-74. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 396 days ago.

Severity and exploitation probability

CVSS v3.1 base score: 7.3 — HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CVSS v4.0 base score: 6.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS (FIRST): 4.7% probability of exploitation in the next 30 days, higher than 91.6% of all scored CVEs
CISA KEV: Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority: 9.3/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published: 2025-09-09

Is CVE-2025-10123 being exploited?

Weaponised exploit code for CVE-2025-10123 is publicly available. 1 public proof-of-concept repository is tracked for this identifier. It currently carries a trending score of 36 in the Threadlinqs vulnerability feed.

trickest/cve (trickest)

Affected products and versions

D-Link: DIR-823X

How to fix CVE-2025-10123

No vendor patch reference has been recorded for CVE-2025-10123 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.