Auth bypass in D-Link Dap-1860
CVE-2020-27865
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1860 firmware version 1.04B03 WiFi extenders. Authentication is not required to exploit this vulnerability. The specific flaw exists within the uhttpd service, which listens on TCP port 80 by default. 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 device. Was ZDI-CAN-10894.
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: 0.026 (85.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.026 · change: +0.001
Affected products
- D-Link Dap-1860 — versions firmware version 1.04B03
- Dlink Dap-1860 — versions ax
- Dlink Dap-1860 Firmware
Weakness classification (CWE)
References
- supportannouncement.us.dlink.com/announcement/publication.aspx (Vendor Advisory)
- www.zerodayinitiative.com/advisories/ZDI-20-1429/ (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-27865?
- CVE-2020-27865 is a high-severity vulnerability in D-Link Dap-1860, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 8.8/10. Published 2021-02-12.
- How severe is CVE-2020-27865?
- High severity. CVSS v3 base score is 8.8 out of 10.