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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.027 (85.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000
Affected products
- Dlink Dir-823g
- Dlink Dir-823g Firmware — versions 1.02b03
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/leonW7/D-Link/blob/master/Vul_4.md (Exploit, Third Party Advisory)
- www.securityfocus.com/bid/106853 (Third Party Advisory, vdb-entry)
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.