CVE-2026-8618
Severity not reportedA stack-based buffer overflow vulnerability exists in the TDDPv2 service (/usr/bin/tddp) on Deco M9 Plus due to insufficient validation of decrypted request da…
A stack-based buffer overflow vulnerability exists in the TDDPv2 service (/usr/bin/tddp) on Deco M9 Plus due to insufficient validation of decrypted request data length before it is copied into a fixed-size stack buffer in the subtype 0x91 handler. Successful exploitation may allow an adjacent, unauthenticated attacker to cause a denial of service or achieve arbitrary code execution during the device setup phase through crafted TDDP packets.
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://www.tp-link.com/en/support/download/deco-m9-plus/v2/#Firmware f23511db-6c3e-4e32-a477-6aa17d310630
- https://www.tp-link.com/us/support/download/deco-m9-plus/v2/#Firmware f23511db-6c3e-4e32-a477-6aa17d310630
- https://www.tp-link.com/us/support/faq/5322/ f23511db-6c3e-4e32-a477-6aa17d310630