CVE-2020-17409
lowpriority · track · 26OT risk · elevatedEPSS 0.007 · 53 %ileEUUSEPSS · scored 2026-10-27
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.3–6.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (12)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://kb.netgear.com/000062304/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-PSV-2020-0258cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-17409cnnvd
- https://www.zerodayinitiative.com/advisories/ZDI-20-1176/cnnvd
- https://kb.netgear.com/000062304/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-PSV-2020-0258enisa_euvd
- https://www.zerodayinitiative.com/advisories/ZDI-20-1176/enisa_euvd
- https://kb.netgear.com/000062304/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-PSV-2020-0258PatchVendor Advisorynvd
- https://www.zerodayinitiative.com/advisories/ZDI-20-1176/Third Party AdvisoryVDB Entrynvd
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