Read the docs
TI-2025-09734 Aliases CVE-2025-10634GHSA-hq6r-hhqx-wvqf

D-Link DIR-823X Environment Variable goahead sub_412E7C command injection

Priority MEDIUM 57CWE-74Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-77.

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 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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.06317 93rd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
D-LinkDIR-823X240126; 240802; 250416—No fix listedCNA
  • DIR-823X VendorD-Link Affected 240126; 240802; 250416 Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:dlink:dir-823x_firmware:240126:*:*:*:*:*:*:*240126VulnerableD-Link Japan K.K.
cpe:2.3:o:dlink:dir-823x_firmware:240802:*:*:*:*:*:*:*240802VulnerableD-Link Japan K.K.
cpe:2.3:o:dlink:dir-823x_firmware:250416:*:*:*:*:*:*:*250416VulnerableD-Link Japan K.K.
cpe:2.3:h:dlink:dir-823x:*:*:*:*:*:*:*:*all versionsRunning onD-Link Japan K.K.
  • cpe:2.3:o:dlink:dir-823x_firmware:240126:*:*:*:*:*:*:* Versions 240126 Vulnerable ·D-Link Japan K.K.
  • cpe:2.3:o:dlink:dir-823x_firmware:240802:*:*:*:*:*:*:* Versions 240802 Vulnerable ·D-Link Japan K.K.
  • cpe:2.3:o:dlink:dir-823x_firmware:250416:*:*:*:*:*:*:* Versions 250416 Vulnerable ·D-Link Japan K.K.
  • cpe:2.3:h:dlink:dir-823x:*:*:*:*:*:*:*:* Versions all versions Running on ·D-Link Japan K.K.

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-10634
  2. 2026-10-03 Alias added: GHSA-hq6r-hhqx-wvqf

References

  • TI-2024-03070 D-Link DNS-320L/DNS-325/DNS-327L/DNS-340L HTTP GET Request nas_sharing.cgi command injection KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-03069 D-Link DNS-320L/DNS-325/DNS-327L/DNS-340L HTTP GET Request nas_sharing.cgi hard-coded credentials KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-00708 D-Link DIR-859 HTTP POST Request hedwig.cgi path traversal KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-10693 OS Command injection vulnerability in D-Link DIR820LA1_FW105B03 allows attackers to… KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-17249 D-Link Go-RT-AC750 GORTAC750_revA_v101b03 and GO-RT-AC750_revB_FWv200b02 are vulnerable… KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-09657 D-Link DIR-820L 1.05B03 was discovered to contain remote command execution (RCE)… KEVCVSS 3.1CRITICAL 9.8
See all 979 →

Sources