PT-2026-3398 · D Link · D-Link Dir-823G

Yun Zhang · Published 2026-01-09 · Updated 2026-01-30 · CVE-2026-1125

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions D-Link DIR-823X version 250416

Description A flaw exists in D-Link DIR-823X 250416 that allows for command injection. This occurs due to a manipulation of the wd enable argument within the sub 412E7C function of the /goform/set wifidog settings file. The attack can be carried out remotely. The exploit is publicly available.

Recommendations Apply any available updates to address the issue in the affected version. As a temporary workaround, consider restricting access to the /goform/set wifidog settings file. Avoid manipulating the wd enable argument in the /goform/set wifidog settings file.

Exploit

Fix

Command Injection

Special Elements Injection

Weakness Enumeration

CWE-77

CWE-74

Related Identifiers

BDU:2026-00682

CVE-2026-1125

Affected Products

D-Link Dir-823G

References · 12

• 🔥 https://github.com/DavCloudz/cve/blob/main/D-link/DIR_823X/DIR-823X%20V250416%20Command%20Execution%20Vulnerability.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-1125 · Security Note
• https://bdu.fstec.ru/vul/2026-00682 · Security Note
• https://osv.dev/vulnerability/CVE-2026-1125 · Vendor Advisory
• https://twitter.com/cracbot/status/2014292020135891236 · Twitter Post
• https://vuldb.com/?id.341717 · Note
• https://t.me/cveNotify/150424 · Telegram Post
• https://vuldb.com/?ctiid.341717 · Note
• https://twitter.com/CVEnew/status/2012929943705936223 · Twitter Post
• https://vuldb.com/?submit.743503 · Note
• https://dlink.com · Note
• https://vuldb.com/?submit.734966 · Note