CVEvulnerability
CVE-2026-8618
7.7 HIGH
Official page ↗
- Status
- Deferred
- Published
- 2026-10-01
- Last modified
- 2026-10-01
- Assigner
- f23511db-6c3e-4e32-a477-6aa17d310630
- CVSS 4.0 (f23511db-6c3e-4e32-a477-6aa17d310630)
- 7.7 HIGH — CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Weaknesses
- CWE-121
Description
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.
Related
Weakness · CWE (1)
- CWE-121 Stack-based Buffer Overflow weakness
References
- https://www.tp-link.com/en/support/download/deco-m9-plus/v2/#Firmware www.tp-link.com
- https://www.tp-link.com/us/support/download/deco-m9-plus/v2/#Firmware www.tp-link.com
- https://www.tp-link.com/us/support/faq/5322/ www.tp-link.com