Vulnerability in NETGEAR Jnr3210
CVE-2020-17409
This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of NETGEAR R6120, R6080, R6260, R6220, R6020, JNR3210, and WNR2020 routers with firmware 1.0.66. Authentication is not required to exploit this vulnerability. The specific flaw exists within the mini_httpd service, which listens on TCP port 80 by default. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-10754.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.007 (51.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-20-1176/ (VDB Entry, Third Party Advisory)
- kb.netgear.com/000062304/Security-Advisory-for-Authentication-Bypass-on-Some-Ro… (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-17409?
- CVE-2020-17409 is a medium-severity vulnerability in NETGEAR Jnr3210, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 6.5/10. Published 2020-10-13.
- How severe is CVE-2020-17409?
- Medium severity. CVSS v3 base score is 6.5 out of 10.