Vulnerability record · CVE-2025-10634 · published 18 September 2025

CVE-2025-10634: Dlink dir-823x firmware injection vulnerability

Dlink · Dir 823x Firmware

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.

2.1 CVSS 4.0 Low EPSS 7.4% · top 5.8% CWE-74 · InjectionCWE-77 · Command injection

2.1CVSS 4.0 base score, v2 6.5

7.4%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

7References, 2 tagged exploit

17 Jun 2026Last modified by NVD

Description

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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Dir 823x Firmware Dlink

References

Link	Tags
https://github.com/Cpppq43/D-Link/blob/main/DIink-DIR-823x.md	ExploitThird Party Advisory
https://pan.baidu.com/s/1dWnXEa58P0KHw53L9U_PoQ	Broken Link
https://vuldb.com/?ctiid.324662	Permissions RequiredVDB Entry
https://vuldb.com/?id.324662	Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.650792	Third Party AdvisoryVDB Entry
https://www.dlink.com/	Product
https://github.com/Cpppq43/D-Link/blob/main/DIink-DIR-823x.md	ExploitThird Party Advisory

Track CVE-2025-10634 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.2CVE-2025-29635D-Link DIR-823X command injection in set_prohibiting handlerD-Link DIR-823X firmware (240126 and 240802) contains a command injection flaw in the /goform/set_prohibiting POST handler. An attacker who already h…KEVEPSS 88%analysed25 Mar 2025 9.8CVE-2025-29042Dlink dir-823x firmware os command injection vulnerabilityAn issue in dlink DIR 832x 240802 allows a remote attacker to execute arbitrary code via the macaddr key value to the function 0x42232cEPSS 2.3%17 Apr 2025 9.8CVE-2025-29043Dlink dir-823x firmware os command injection vulnerabilityAn issue in dlink DIR 832x 240802 allows a remote attacker to execute arbitrary code via the function 0x417234EPSS 1.8%17 Apr 2025 9.8CVE-2025-29040Dlink dir-823x firmware os command injection vulnerabilityAn issue in dlink DIR 823x 240802 allows a remote attacker to execute arbitrary code via the target_addr key value and the function 0x41737cEPSS 1.4%17 Apr 2025 9.8CVE-2025-29041Dlink dir-823x firmware os command injection vulnerabilityAn issue in dlink DIR 823x 240802 allows a remote attacker to execute arbitrary code via the target_addr key value and the function 0x41710cEPSS 1.4%17 Apr 2025 9.8CVE-2024-39962Dlink dir-823x firmware code injection vulnerabilityD-Link DIR-823X AX3000 Dual-Band Gigabit Wireless Router v21_D240126 was discovered to contain a remote code execution (RCE) vulnerability in the ntp…EPSS 2.1%19 Jul 2024 8.8CVE-2025-55848Dlink dir-823x firmware command injection vulnerabilityAn issue was discovered in DIR-823 firmware 20250416. There is an RCE vulnerability in the set_cassword settings interface, as the http_casswd parame…EPSS 0.41%26 Sep 2025 8.7CVE-2025-0492Dlink dir-823x firmware improper resource shutdown vulnerabilityA vulnerability has been found in D-Link DIR-823X 240126/240802 and classified as critical. Affected by this vulnerability is the function FUN_004122…EPSS 1.9%15 Jan 2025

Source: NIST National Vulnerability Database (record CVE-2025-10634), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.