CVE-2017-9100 in the critical feed json
login.cgi on D-Link DIR-600M devices with firmware 3.04 allows remote attackers to bypass authentication by entering more than 20 blank spa…
published 2017-05-21 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-18038
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 85.5%
- EPSS 85.5% chance of exploitation in 30 days, percentile 99.7%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
85.45% chance of exploitation in the next 30 days, higher than 99.7% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- exploit-db.com https://www.exploit-db.com/exploits/42039/ referenced PoC, tagged "exploit" by a source, unverified
- touhidshaikh.com http://touhidshaikh.com/blog/poc/d-link-dir600-auth-bypass/ referenced PoC, tagged "exploit" by a source, unverified
- youtube.com https://www.youtube.com/watch?v=waIJKWCpyNQ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 8.3 | AV:A/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
exploit-db.com
/exploits/42039/
exploit, third-party-advisory, vdb-entry
-
touhidshaikh.com
/blog/poc/d-link-dir600-auth-bypass/
exploit, third-party-advisory
-
youtube.com
/watch?v=waIJKWCpyNQ
exploit, third-party-advisory
Sources
- CVE List CVE-2017-9100
- NVD CVE-2017-9100
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.