Auth bypass in Dlink Dva-5592
CVE-2018-17777
An issue was discovered on D-Link DVA-5592 A1_WI_20180823 devices. If the PIN of the page "/ui/cbpc/login" is the default Parental Control PIN (0000), it is possible to bypass the login form by editing the path of the cookie "sid" generated by the page. The attacker will have access to the router control panel with administrator privileges.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.019 (78.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000
Affected products
- Dlink Dva-5592
- Dlink Dva-5592 Firmware — versions a1_wi_20180823
Weakness classification (CWE)
References
- www.gubello.me/blog/router-dlink-dva-5592-authentication-bypass/ (Third Party Advisory, Mitigation)
Frequently asked questions
- What is CVE-2018-17777?
- CVE-2018-17777 is a critical-severity vulnerability in Dlink Dva-5592, classified under Improper Authentication. CVSS score: 9.8/10. Published 2018-12-18.
- How severe is CVE-2018-17777?
- Critical severity. CVSS v3 base score is 9.8 out of 10.