CVE-2026-90693

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.

Score

CVSS 3.1 9.9 Critical

Status

Deferred - cna@vuldb.com

Published

2026-09-14

Last modified

2026-09-15

Weaknesses

CWE-119, CWE-121

Affected products

• Dir-878 (D-link)

References

• https://github.com/Amalll-Sec/router-vulnerability-research/blob/main/advisories/d-link/dir-878/SetWan3Settings/README.…
• https://vuldb.com/cve/CVE-2026-90693
• https://vuldb.com/submit/915573
• https://vuldb.com/vuln/403226
• https://vuldb.com/vuln/403226/cti
• https://www.dlink.com/