Auth bypass in D-Link Dir-1935
CVE-2022-43620
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-1935 1.03 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP login requests. The issue results from the lack of proper implementation of the authentication algorithm. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-16142.
Vulnerability class: Broken Authentication
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: 0.010 (62.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.010 · change: -0.000
Affected products
- D-Link Dir-1935 — versions 1.03
- Dlink Dir-1935
- Dlink Dir-1935 Firmware — versions 1.03
Weakness classification (CWE)
References
- supportannouncement.us.dlink.com/announcement/publication.aspx (Patch, Vendor Advisory)
- www.zerodayinitiative.com/advisories/ZDI-22-1494/ (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-43620?
- CVE-2022-43620 is a high-severity vulnerability in D-Link Dir-1935, classified under Improper Authentication. CVSS score: 8.8/10. Published 2023-03-29.
- How severe is CVE-2022-43620?
- High severity. CVSS v3 base score is 8.8 out of 10.