CVE-2020-17409: netgear jnr3210_firmware
Vulnerability summary
CVE-2020-17409 is a medium (CVSS 6.5) vulnerability in netgear jnr3210_firmware. EPSS estimates a 0.70% chance of exploitation in the next 30 days, higher than 52.1% of scored vulnerabilities.
Timeline
- 13-10-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
4 scores · 2 sources · 3 versions- NVDNIST6.5MediumCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.70%
Chance of exploitation in the next 30 days
Percentile
52%
Versus all other CVEs
30-day change
0.00 pp
From 0.70% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Netgear12 products
- jnr3210_firmwarena
- multiple routers1.0.66
- r6020_firmware< 1.0.0.44
- r6080_firmware< 1.0.0.44
- r6120_firmware< 1.0.0.70
1 vendor · 12 products
References
2 links- kb.netgear.com/000062304/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-PSV-2020-0258X Refsource MISCPatchVendor Advisory