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ExploitedNot in CISA KEV yet

CVE-2025-10123

Exploitation confirmed. First attested on 2026-10-09 by GCVE · previdian, GCVE · shadowserver.

  • Published2025-09-09
  • WeaknessCWE-74 · CWE-77

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2025-09-0903:15CVE publishedNVD
  2. 2026-10-09Listed as exploited by GCVEGCVE
  3. 2026-10-09Exploitation first reportedGCVE

Versions per branch

NVD
Dlink dir-823x firmwareversion to verify
BranchAffectedFixed in
250416.x≤ 250416no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As VulDB, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • D-Link DIR-823X
    Affected
    • = 250416no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2025-09-09

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • GCVEexploitation2026-10-09
  • CISA-ADPSSVC decisionpoc2025-09-09
  • CNACVSS 4.05.5known since 2026-10-23
  • CNACVSS 3.17.3known since 2026-10-23
  • NVDCVSS 3.19.8read 2026-10-23
  • CNACVSS 2.07.5known since 2026-10-23
  • CNAweakness (CWE)CWE-74, CWE-77known since 2026-10-23
  • FIRST EPSSEPSS score4.5 %2026-11-09
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0 vector
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
2025-09-09
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-fwjc-77p8-c4h7

Frequently asked questions

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.

Is CVE-2025-10123 actively exploited?

A proof-of-concept exploit exists for CVE-2025-10123, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2025-10123?

CVE-2025-10123 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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