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Public proof of concept

CVE-2025-10634

A public proof of concept exists; no exploitation attested.

  • Published2025-09-18
  • 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 weakness has been identified in D-Link DIR-823X 240126/240802/250416. The impacted element is the function sub_412E7C of the file /usr/sbin/goahead of the component Environment Variable Handler. This manipulation of the argument terminal_addr/server_ip/server_port causes command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be exploited.

Timeline

dates in UTC
  1. 2025-09-1802:15CVE publishedNVD

Versions per branch

NVD
Dlink dir-823x firmwareversion to verify
BranchAffectedFixed in
240126.x= 240126no fix published
240802.x= 240802no fix published
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
    • = 240126no fix stated
    • = 240802no fix stated
    • = 250416no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2025-09-18

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

  • CISA-ADPSSVC decisionpoc2025-09-18
  • CNACVSS 4.02.1known since 2026-10-23
  • CNACVSS 3.16.3known since 2026-10-23
  • NVDCVSS 3.18.8read 2026-10-23
  • CNACVSS 2.06.5known since 2026-10-23
  • CNAweakness (CWE)CWE-74, CWE-77known since 2026-10-23
  • FIRST EPSSEPSS score6.3 %2026-11-08
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0 vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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
2025-09-18
Last Modified
2026-09-30
NVD status
Analyzed
GitHub Advisory
GHSA-hq6r-hhqx-wvqf

Frequently asked questions

What is CVE-2025-10634?

A weakness has been identified in D-Link DIR-823X 240126/240802/250416. The impacted element is the function sub_412E7C of the file /usr/sbin/goahead of the component Environment Variable Handler. This manipulation of the argument terminal_addr/server_ip/server_port causes command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be exploited.

Is CVE-2025-10634 actively exploited?

A proof-of-concept exploit exists for CVE-2025-10634, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2025-10634?

CVE-2025-10634 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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