Auth bypass in Dlink Dir-816
CVE-2019-10040
The D-Link DIR-816 A2 1.11 router only checks the random token when authorizing a goform request. An attacker can get this token from dir_login.asp and use a hidden API URL /goform/SystemCommand to execute a system command without authentication.
Vulnerability class: Broken Authentication
EPSS: 0.025 (83.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Dlink Dir-816 — versions a2
- Dlink Dir-816_firmware — versions 1.11
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-10040?
- CVE-2019-10040 is a critical-severity vulnerability in Dlink Dir-816, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2019-03-25.
- How severe is CVE-2019-10040?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2019-10040 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.