PT-2026-6969 · D Link · D-Link Dir-823G

942384053 · Published 2026-01-27 · Updated 2026-03-09 · CVE-2026-2142

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

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

Description A flaw exists in the D-Link DIR-823X firmware. This issue affects the sub 420688 function within the /goform/set qos file, potentially allowing for operating system command injection. The attack can be carried out remotely. The exploit code has been publicly released.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

OS Command Injection

Command Injection

Weakness Enumeration

CWE-78

CWE-77

Related Identifiers

BDU:2026-02471

CVE-2026-2142

Affected Products

D-Link Dir-823G

References · 13

• 🔥 https://github.com/master-abc/cve/issues/29 · Exploit
• https://osv.dev/vulnerability/CVE-2026-2142 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-02471 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-2142 · Security Note
• https://vuldb.com/?id.344777 · Note
• https://twitter.com/cracbot/status/2022264558539473156 · Twitter Post
• https://t.me/cveNotify/151289 · Telegram Post
• https://t.me/CVEtracker/44092 · Telegram Post
• https://vuldb.com/?submit.747428 · Note
• https://twitter.com/DavidMarquet19/status/2030916641937088604 · Twitter Post
• https://vuldb.com/?ctiid.344777 · Note
• https://twitter.com/CVEnew/status/2020414260996608102 · Twitter Post
• https://dlink.com · Note