CVE-2017-9100
Highlogin.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.
Published May 21, 2017 · Updated May 12, 2026
Key Facts
Patch immediately- CVE-2017-9100 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Dir-600m Firmware (Dlink).
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 85% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
8.8
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
85%
Higher than 99.7% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
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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.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Dir-600m FirmwareDlink | 3.04 | n/a |
Timeline
Publicly disclosed
May 21, 2017
Last updated
May 12, 2026
Weakness Type
- CWE-287 Improper Authentication
References
FAQ
Common Questions.
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.
Affected: Dir-600m Firmware (Dlink) versions 3.04. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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