CVE-2026-82680
Received Received - Intake

Out-of-Bounds Write in D-Link DSM-G600

Publication date: 2026-08-31

Last updated on: 2026-08-31

Assigner: VulDB

Description
A weakness has been identified in D-Link DSM-G600 1.01. This affects an unknown function of the file /load_file.cgi of the component Multipart Handler. Executing a manipulation can lead to out-of-bounds write. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.

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Meta Information

Published
2026-08-31
Last Modified
2026-08-31
Generated
2026-08-31
AI Q&A
2026-08-31
EPSS Evaluated
N/A
NVD
CVE-2026-82680
EUVD
EUVD-2026-68461

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
d-link dsm-g600 1.01

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-119 The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

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Executive Summary

CVE-2026-82680 is a memory corruption flaw in the D-Link DSM-G600 1.01 affecting the /load_file.cgi endpoint. It occurs when handling authenticated multipart POST requests for configuration restoration. An attacker with admin credentials can send a large payload (8192+ bytes) causing a segmentation fault in the HTTP daemon, leading to denial of service. The issue is specific to this endpoint and does not affect update.cgi.

Detection Guidance

To detect this vulnerability, monitor for crashes in the HTTP daemon (likely httpd) when sending multipart POST requests to /load_file.cgi. Check logs for segmentation faults (SIGSEGV) after authenticated requests with payloads of 8192 bytes or larger. Use network scanning tools to identify exposed DSM-G600 devices with firmware REVA 1.01.

Impact Analysis

This vulnerability allows remote attackers with valid administrative credentials to crash the device, causing a denial of service. The device becomes unresponsive, disrupting network storage functionality. Exploitation requires authenticated access, so unauthorized users cannot trigger it.

Compliance Impact

This vulnerability could potentially impact compliance with GDPR and HIPAA by enabling unauthorized access or data breaches if exploited. The out-of-bounds write flaw in the D-Link DSM-G600 may allow remote attackers to cause denial of service or execute arbitrary code, compromising data integrity and confidentiality. Compliance frameworks often require protection against such vulnerabilities to safeguard sensitive data.

Mitigation Strategies

Immediately restrict access to /load_file.cgi by disabling the configuration restoration feature if unused. Implement strict multipart upload size limits and validate input boundaries. Update firmware if a patch is released. Block external access to administrative interfaces and monitor for suspicious multipart requests.

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