CVE-2017-9100

Name: CVE-2017-9100
Creator: NVD / NIST
Published: 2017-05-21T04:29:00.18+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 85.45%

Last modified Jun 17, 2026

CVE-2017-9100 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. login.cgi on D-Link DIR-600M devices with firmware 3.04 allows remote attackers to bypass authentication by entering more than 20 blank spaces in the password field during an admin login attempt.. EPSS estimates a 85.45% chance of exploitation in the next 30 days.

Description

login.cgi on D-Link DIR-600M devices with firmware 3.04 allows remote attackers to bypass authentication by entering more than 20 blank spaces in the password field during an admin login attempt.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

85.45%

99.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions
Dlink	Dir-600m Firmware	3.04

References

http://touhidshaikh.com/blog/poc/d-link-dir600-auth-bypass/Exploit, Third Party Advisory
https://www.exploit-db.com/exploits/42039/Exploit, Third Party Advisory, VDB Entry
https://www.youtube.com/watch?v=waIJKWCpyNQExploit, Third Party Advisory
http://touhidshaikh.com/blog/poc/d-link-dir600-auth-bypass/Exploit, Third Party Advisory
https://www.exploit-db.com/exploits/42039/Exploit, Third Party Advisory, VDB Entry
https://www.youtube.com/watch?v=waIJKWCpyNQExploit, Third Party Advisory

Timeline

Published: May 21, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-9100?

login.cgi on D-Link DIR-600M devices with firmware 3.04 allows remote attackers to bypass authentication by entering more than 20 blank spaces in the password field during an admin login attempt.

How severe is CVE-2017-9100?

CVE-2017-9100 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 85.45% probability of exploitation in the next 30 days.

How do I fix CVE-2017-9100?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-9100?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST