---
id: CVE-2025-10634
title: A weakness has been identified in D-Link DIR-823X 240126/240802/250416
summary: >-
  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
  termin…
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-74
  - CWE-77
vendor: dlink
product: dir-823x_firmware
affected:
  - dir-823x_firmware = 240126
  - dir-823x_firmware = 240802
  - dir-823x_firmware = 250416
published: '2025-09-18'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T23:10:00.237'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-10634'
references:
  - url: 'https://github.com/Cpppq43/D-Link/blob/main/DIink-DIR-823x.md'
    label: cna@vuldb.com
  - url: 'https://pan.baidu.com/s/1dWnXEa58P0KHw53L9U_PoQ'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?ctiid.324662'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?id.324662'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?submit.650792'
    label: cna@vuldb.com
  - url: 'https://www.dlink.com/'
    label: cna@vuldb.com
  - url: 'https://github.com/Cpppq43/D-Link/blob/main/DIink-DIR-823x.md'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
epss: 0.07359
epssPercentile: 0.94214
ingestedAt: '2026-09-30T23:29:32.387Z'
---

## Overview

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.

## Affected

- `dir-823x_firmware = 240126`
- `dir-823x_firmware = 240802`
- `dir-823x_firmware = 250416`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.