A flaw has been found in D-Link DIR-878 120B05. This impacts the function SetWan3Settings of the component WAN Settings. This manipulation of the argument Primary/Secondary causes stack-based buffer overflow.
Remote exploitation of the attack is possible.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v4.0
Weakness Type (CWE)
References 6
https://github.com/Amalll-Sec/router-vulnerability-research/blob/main/advisorie…
cna@vuldb.com
https://vuldb.com/cve/CVE-2026-90693
cna@vuldb.com
https://vuldb.com/submit/915573
cna@vuldb.com
https://vuldb.com/vuln/403226
cna@vuldb.com
https://vuldb.com/vuln/403226/cti
cna@vuldb.com
https://www.dlink.com/
cna@vuldb.com