Stack-based Buffer Overflow Vulnerability in D-Link DIR-816 Router
CVE-2025-5622
Key Information:
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What is CVE-2025-5622?
A stack-based buffer overflow vulnerability exists in the D-Link DIR-816 router, specifically in the wirelessApcli_5g function located at /goform/wirelessApcli_5g. This issue arises due to improper handling of parameters such as apcli_mode_5g, apcli_enc_5g, and apcli_default_key_5g. The vulnerability allows an attacker to execute a remote exploit, which could compromise the router's functionality. Affected users should be aware that this flaw impacts only those versions of the product that are no longer supported by the vendor, emphasizing the importance of keeping devices updated and secure.
Affected Version(s)
DIR-816 1.10CNB05
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.