Remote Buffer Overflow in D-Link DIR-605L POST Handler

Publication date: 2026-04-09

Last updated on: 2026-04-30

Assigner: VulDB

Description

A vulnerability was detected in D-Link DIR-605L 2.13B01. Affected by this vulnerability is the function formVirtualServ of the file /goform/formVirtualServ of the component POST Request Handler. The manipulation of the argument curTime results in buffer overflow. The attack can be launched remotely. The exploit is now public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-04-09

Last Modified

2026-04-30

Generated

2026-07-06

AI Q&A

2026-04-10

EPSS Evaluated

2026-07-05

NVD

CVE-2026-5979

Affected Vendors & Products

Vendor	Product	Version / Range
dlink	dir-605l_firmware	2.13b01

Helpful Resources

Exploitability

CWE

KEV

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-120	The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

Attack-Flow Graph

Executive Summary

This vulnerability exists in the D-Link DIR-605L device, specifically in the function formVirtualServ within the POST Request Handler component. It is caused by the manipulation of the argument curTime, which leads to a buffer overflow condition. This flaw can be exploited remotely, allowing an attacker to potentially execute malicious actions on the affected device.

The affected products are no longer supported by the maintainer, and the exploit for this vulnerability is publicly available.

Impact Analysis

Exploitation of this vulnerability can lead to a buffer overflow, which may allow an attacker to execute arbitrary code or cause a denial of service on the affected device. Since the attack can be launched remotely, it poses a significant security risk to users of the D-Link DIR-605L device.

Hi! I’m here to help you understand CVE-2026-5979. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70