Is CVE-2020-17409 in the CISA KEV catalog?

No. CVE-2020-17409 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-17409?

CVE-2020-17409 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2020-17409?

CVE-2020-17409 has an EPSS score of 0.69% (48th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-17409?

Upgrade r6020 firmware to 1.0.0.44 or later. Fixes are available for 9 affected products.

CVE & CISA-KEV Catalog

CVE-2020-17409

MEDIUM

6.5

CVSS v3

NVD

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.

CWE-288

How to fix

Remediation Available

r6020 firmwareNVD

Affected:< 1.0.0.44Fixed in:1.0.0.44CVE-2020-17409derived from NVD

r6080 firmwareNVD

Affected:< 1.0.0.44Fixed in:1.0.0.44CVE-2020-17409derived from NVD

r6120 firmwareNVD

Affected:< 1.0.0.70Fixed in:1.0.0.70CVE-2020-17409derived from NVD

r6220 firmwareNVD

Affected:< 1.1.0.100Fixed in:1.1.0.100CVE-2020-17409derived from NVD

r6230 firmwareNVD

Affected:< 1.1.0.100Fixed in:1.1.0.100CVE-2020-17409derived from NVD

r6260 firmwareNVD

Affected:< 1.1.0.76Fixed in:1.1.0.76CVE-2020-17409derived from NVD

r6330 firmwareNVD

Affected:< 1.1.0.76Fixed in:1.1.0.76CVE-2020-17409derived from NVD

r6350 firmwareNVD

Affected:< 1.1.0.76Fixed in:1.1.0.76CVE-2020-17409derived from NVD

r6850 firmwareNVD

Affected:< 1.1.0.76Fixed in:1.1.0.76CVE-2020-17409derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

0.69%probability of exploitation in 30 days

48thpercentile

Moderate risk: more likely to be exploited than 48% of all known CVEs.

References

Patch1

kb.netgear.com

Third-Party Advisory1

zerodayinitiative.com

Related Vulnerabilities

Other CWE-288 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-42793	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2024-1709	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2024-27198	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2025-4427	Medium	5.3	100%	KEV	Fix
CVE-2024-55591	Critical	9.8	98%	KEV + Ransom	Fix
CVE-2023-46747	Critical	9.8	97%	KEV + Ransom	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.