PT-2026-25556 · D Link · D-Link Dir-816

Pjqwudi · Published 2026-03-02 · Updated 2026-03-16 · CVE-2026-4182

Positive Technologies (AI Summary)

CVSS v3.1

10

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-816 version 1.10CNB05

Description A weakness exists in D-Link DIR-816 version 1.10CNB05. The issue affects an unknown function within the /goform/form2Wl5RepeaterStep2.cgi file of the goahead component. Manipulation of the key1/key2/key3/key4/pskValue argument results in a stack-based buffer overflow. Remote exploitation is possible, and a public exploit is available. This vulnerability impacts products that are no longer supported by the maintainer.

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

Exploit

Memory Corruption

Buffer Overflow

Stack Overflow

Weakness Enumeration

CWE-787

CWE-119

CWE-121

Related Identifiers

BDU:2026-04454

CVE-2026-4182

Affected Products

D-Link Dir-816

References · 13

• 🔥❌ https://github.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_86/86.md · Exploit, Deleted
• https://bdu.fstec.ru/vul/2026-04454 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-4182 · Security Note
• https://vuldb.com/?submit.769830 · Note
• https://twitter.com/CveFindCom/status/2033577793427030165 · Twitter Post
• https://twitter.com/TheHackerWire/status/2033589267101061636 · Twitter Post
• https://twitter.com/TheHackerWire/status/2033594009726447696 · Twitter Post
• https://vuldb.com/?ctiid.351086 · Note
• https://twitter.com/CVEnew/status/2033361096170508761 · Twitter Post
• https://dlink.com · Note
• https://t.me/CVEtracker/47439 · Telegram Post
• https://vuldb.com/?id.351086 · Note
• https://twitter.com/ptdbugs/status/2033273656550228363 · Twitter Post