Vulnerability in D-Link Dir-867 Firmware
CVE-2020-15633
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-867, DIR-878, and DIR-882 routers with firmware 1.20B10_BETA. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP requests. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the router. Was ZDI-CAN-10835.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.028 (85.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.028 · newest: 0.028 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-20-881/ (VDB Entry, Third Party Advisory)
- supportannouncement.us.dlink.com/announcement/publication.aspx (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-15633?
- CVE-2020-15633 is a high-severity vulnerability in D-Link Dir-867 Firmware, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 8.8/10. Published 2020-07-23.
- How severe is CVE-2020-15633?
- High severity. CVSS v3 base score is 8.8 out of 10.