PT-2025-35854 · D Link · Di-8400

N0Ps1Ed · Published 2025-08-28 · Updated 2025-09-11 · CVE-2025-9938

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 DI-8400 version 16.07.26A1

Description A stack-based buffer overflow issue exists in the yyxz dlink asp function of the /yyxz.asp file. Manipulation of the ID argument can trigger this issue, allowing for remote exploitation. The exploit for this issue has been publicly released.

Recommendations As a temporary workaround, consider restricting access to the /yyxz.asp file until a fix is available.

Exploit

Fix

Buffer Overflow

Memory Corruption

Stack Overflow

Weakness Enumeration

CWE-119

CWE-787

CWE-121

Related Identifiers

BDU:2025-10936

CVE-2025-9938

Affected Products

Di-8400

References · 14

• 🔥 https://github.com/ZZ2266/.github.io/tree/main/Dlink/DI-8400/yyxz.asp · Exploit
• 🔥 https://github.com/ZZ2266/.github.io/tree/main/Dlink/DI-8400/yyxz.asp#proof-of-concept-poc · Exploit
• https://bdu.fstec.ru/vul/2025-10936 · Security Note
• https://osv.dev/vulnerability/CVE-2025-9938 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-9938 · Security Note
• https://vuldb.com/?submit.643446 · Note
• https://t.me/CVEtracker/31647 · Telegram Post
• https://twitter.com/ET_Labs/status/1966254984464613475 · Twitter Post
• https://vuldb.com/?ctiid.322340 · Note
• https://twitter.com/CVEnew/status/1963389135537774840 · Twitter Post
• https://twitter.com/CveFindCom/status/1963979384659886193 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1963569225039073284 · Twitter Post
• https://dlink.com · Note
• https://vuldb.com/?id.322340 · Note