Auth bypass in Dlink Dir-823g
CVE-2019-7389
An issue was discovered in /bin/goahead on D-Link DIR-823G devices with the firmware 1.02B03. There is incorrect access control allowing remote attackers to reset the router without authentication via the SetFactoryDefault HNAP API. Consequently, an attacker can achieve a denial-of-service attack without authentication.
Vulnerability class: Broken Authentication
EPSS: 0.027 (84.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Dlink Dir-823g
- Dlink Dir-823g_firmware — versions 1.02b03
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2019-7389?
- CVE-2019-7389 is a high-severity vulnerability in Dlink Dir-823g, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2019-02-05.
- How severe is CVE-2019-7389?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2019-7389 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.