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7.5
HIGH CVSS 3.1
CVE-2025-50645
D-Link DI-8003 Buffer Overflow Vulnerability
Overview
Description

A vulnerability has been discovered in D-Link DI-8003 16.07.26A1, which can lead to a buffer overflow when the s parameter in the pppoe_list_opt.asp endpoint is manipulated. By sending a crafted request with an excessively large value for the s parameter, an attacker can trigger a buffer overflow condition.

Details
INFO

Published Date :

April 8, 2026, 7:24 p.m.

Last Modified :

April 22, 2026, 4:16 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Impact
Affected Products

The following products are affected by CVE-2025-50645 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Dlink di-8003_firmware
2 Dlink di-8003
: Total Affected Vendor : 1 | Products : 2
Scoring
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Patch the device to prevent buffer overflow by sanitizing input.
  • Update D-Link device firmware to the latest version.
  • Avoid sending overly long values for the 's' parameter.
  • Sanitize user input on the 'pppoe_list_opt.asp' endpoint.
  • Implement input validation for the 's' parameter.
Public PoC/Exploit Available at Github

CVE-2025-50645 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-50645.

URL Resource
https://github.com/xiaotea/iot-vulnerability-collection/blob/main/README.md Third Party Advisory
https://supportannouncement.us.dlink.com/security/publication.aspx?name=SAP10505
https://www.dlink.com/en/security-bulletin/ Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-50645 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-50645 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-67: String Format Overflow in syslog() String Format Overflow in syslog() CAPEC-92: Forced Integer Overflow Forced Integer Overflow CAPEC-100: Overflow Buffers Overflow Buffers

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

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xiaotea/iot-vulnerability-collection

A collection of publicly disclosed IoT and router vulnerabilities with assigned CVE IDs.

Updated: 3 weeks, 1 day ago
0 stars 0 fork 0 watcher
Born at : April 8, 2026, 3:12 p.m. This repo has been linked 45 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-50645 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-50645 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    Apr. 22, 2026

    Action Type Old Value New Value
    Added Reference https://supportannouncement.us.dlink.com/security/publication.aspx?name=SAP10505
  • Initial Analysis by [email protected]

    Apr. 10, 2026

    Action Type Old Value New Value
    Added CPE Configuration AND OR *cpe:2.3:o:dlink:di-8003_firmware:16.07.26a1:*:*:*:*:*:*:* OR cpe:2.3:h:dlink:di-8003:-:*:*:*:*:*:*:*
    Added Reference Type MITRE: https://github.com/xiaotea/iot-vulnerability-collection/blob/main/README.md Types: Third Party Advisory
    Added Reference Type MITRE: https://www.dlink.com/en/security-bulletin/ Types: Vendor Advisory
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Apr. 10, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-120
  • New CVE Received by [email protected]

    Apr. 08, 2026

    Action Type Old Value New Value
    Added Description A vulnerability has been discovered in D-Link DI-8003 16.07.26A1, which can lead to a buffer overflow when the s parameter in the pppoe_list_opt.asp endpoint is manipulated. By sending a crafted request with an excessively large value for the s parameter, an attacker can trigger a buffer overflow condition.
    Added Reference https://github.com/xiaotea/iot-vulnerability-collection/blob/main/README.md
    Added Reference https://www.dlink.com/en/security-bulletin/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CVSS
Vulnerability Scoring Details
Base CVSS Score: 7.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact