CVE-2026-19814

Published: Ago 14, 2026 Last Modified: Ago 14, 2026

ExploitDB:

Other exploit source:

Google Dorks:

HIGH 7,4

Source: [email protected]

Attack Vector: network

Attack Complexity: low

Privileges Required: low

User Interaction: none

Confidentiality: N/A

Integrity: N/A

Availability: N/A

HIGH 8,8

Source: [email protected]

Attack Vector: network

Attack Complexity: low

Privileges Required: low

User Interaction: none

Scope: unchanged

Confidentiality: high

Integrity: high

Availability: high

HIGH 9,0

Source: [email protected]

Access Vector: network

Access Complexity: low

Authentication: single

Confidentiality: complete

Integrity: complete

Availability: complete

Description

AI Translation Available

A vulnerability was detected in TOTOLINK A800R 4.1.2cu.5137_B20200730. Affected is the function setMacQos of the file /cgi-bin/cstecgi.cgi of the component firewall.so. Performing a manipulation of the argument macAddress results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit is now public and may be used.

119

Improper Restriction of Operations within the Bounds of a Memory Buffer

Stable

Abstraction: Class Structure: Simple

Common Consequences

Security Scopes Affected:

Integrity Confidentiality Availability

Potential Impacts:

Execute Unauthorized Code Or Commands Modify Memory Read Memory Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory)

Applicable Platforms

Languages: Memory-Unsafe, C, C++, Assembly

Likelihood of Exploit: High

View CWE Details

121

Stack-based Buffer Overflow

Draft

Abstraction: Variant Structure: Simple

Common Consequences

Security Scopes Affected:

Availability Integrity Confidentiality Access Control Other

Potential Impacts:

Modify Memory Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory) Execute Unauthorized Code Or Commands Bypass Protection Mechanism Other