Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-8619

Severity CVSS v4.0:
HIGH
Type:
CWE-476 NULL Pointer Dereference
Publication date:
20/08/2026
Last modified:
20/08/2026

Description

An<br /> unauthenticated denial-of-service vulnerability was identified in TP-Link TL-MR100 v3.2, TL-MR150 v3.2, TL-MR6400 v8.0 and Archer MR600 v2, due to improper handling of exceptional request conditions<br /> that may lead to a NULL pointer dereference. <br /> A remote attacker on an adjacent network can send a specially crated<br /> HTTP request to trigger a crash of the HTTP service process.<br /> <br /> <br /> <br /> <br /> <br /> Successful<br /> exploitation may cause the HTTP service to crash, making the web management<br /> interface and HTTP-dependent functionality temporarily unavailable.

Impact

Vector 4.0
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS v4.0 Severity and Metrics:

Base Score: 7.10 HIGH
Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): None
User Interaction (UI): None
Confidentiality (VC): None
Integrity (VI): None
Availability (VA): High
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): None

Base Score 4.0
7.10
Severity 4.0
HIGH

References to Advisories, Solutions, and Tools