PT-2025-47043 · D Link · Dir-816

Lexpl0It · Published 2025-11-15 · Updated 2025-11-20 · CVE-2025-13189

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-816L version 2 06 b09 beta

Description A flaw exists in the D-Link DIR-816L router, specifically within the genacgi main function of the gena.cgi script. Manipulation of the SERVER ID or HTTP SID parameters can lead to a stack-based buffer overflow. This issue is exploitable remotely. The exploit has been publicly disclosed. This vulnerability affects 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

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-121

CWE-119

Related Identifiers

BDU:2025-14833

CVE-2025-13189

Affected Products

Dir-816

References · 15

• 🔥 https://github.com/scanleale/IOT_sec/blob/main/DIR-816L%20stack%20overflow(gena.cgi).pdf · Exploit
• https://osv.dev/vulnerability/CVE-2025-13189 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-13189 · Security Note
• https://bdu.fstec.ru/vul/2025-14833 · Security Note
• https://t.me/cveNotify/142902 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1989586303071977598 · Twitter Post
• https://twitter.com/CveFindCom/status/1989599424729821546 · Twitter Post
• https://twitter.com/CveTodo/status/1989581259857654090 · Twitter Post
• https://vuldb.com/?ctiid.332478 · Note
• https://t.me/CVEtracker/37409 · Telegram Post
• https://twitter.com/cracbot/status/1991461569511948345 · Twitter Post
• https://vuldb.com/?submit.685540 · Note
• https://twitter.com/CVEnew/status/1989586100306817532 · Twitter Post
• https://vuldb.com/?id.332478 · Note
• https://dlink.com · Note