Auth bypass in Dlink Dir-823g
CVE-2019-7390
An issue was discovered in /bin/goahead on D-Link DIR-823G devices with firmware 1.02B03. There is incorrect access control allowing remote attackers to hijack the DNS service configuration of all clients in the WLAN, without authentication, via the SetWanSettings HNAP API.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.020 (79.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · 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_5.md (Exploit, Third Party Advisory)
- www.securityfocus.com/bid/106855 (Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2019-7390?
- CVE-2019-7390 is a high-severity vulnerability in Dlink Dir-823g, classified under Missing Authentication for Critical Function. CVSS score: 8.6/10. Published 2019-02-05.
- How severe is CVE-2019-7390?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2019-7390 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.