Buffer Overflow Vulnerability in D-Link DIR-619L Router
CVE-2025-6373

8.7HIGH

Key Information:

Vendor: D-link
Status: Dir-619l
Vendor: CVE Published:; 21 June 2025

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👾 Exploit Exists🟡 Public PoC

What is CVE-2025-6373?

A stack-based buffer overflow vulnerability exists in D-Link DIR-619L routers, specifically within the formSetWizard1 function of the /goform/formWlSiteSurvey file. This vulnerability arises from improper handling of the curTime argument, allowing remote attackers to execute arbitrary code or cause a denial of service. This issue poses a significant risk as it affects routers that are no longer supported by the vendor, leaving them vulnerable to exploitation.

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Affected Version(s)

DIR-619L 2.06B01

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-6373 - Proof of Concept