CVE-2026-9105 | An authenticated stack-based buffer overflow vulnerability e… | CVSS 6.8 MEDIUM

Description

An authenticated stack-based buffer overflow vulnerability exists in the web management interface of TP-Link TL-WR841N v14. A remote authenticated attacker can send crafted HTTP requests to cause the embedded web server to overflow a stack buffer, resulting in a crash of the affected process. Successful exploitation results in a denial-of-service condition, causing the device to crash and automatically reboot.

Metadata

CVE ID: CVE-2026-9105
State: PUBLISHED
Assigner: TPLink
Reserved: 2026-05-20 17:10 UTC
Published: 2026-06-29 16:05 UTC
Last updated: 2026-06-29 16:18 UTC
Primary CWE: CWE-121
CWE-121 Stack-based buffer overflow
Vendor / Product: TP-Link Systems Inc. / TL-WR841N v14
Sources: cve.org · NVD

Severity & Metrics

6.8 MEDIUM CVSS 4.0

CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
TP-Link Systems Inc.	TL-WR841N v14	—	0 < V14_260518

Weakness (CWE)

CWE	Source	Description
CWE-121	cna	CWE-121 Stack-based buffer overflow

CVSS scores (1)

Score	Severity	Version	Source	Vector
6.8	MEDIUM	4.0	cna	CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

References (3)