CVE-2020-17409

moderate-risk
Published 2020-10-13

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.

Do I need to act?

-
0.30% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10 Medium
ADJACENT_NETWORK / LOW complexity

Affected Products (11)

R6330 Firmware
R6350 Firmware
Jnr3210 Firmware

Affected Vendors

Netgear

References (4)

Patch https://kb.netgear.com/000062304/Security-Advisory-for-Authentication-Bypass-on-...
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-20-1176/
Patch https://kb.netgear.com/000062304/Security-Advisory-for-Authentication-Bypass-on-...
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-20-1176/
38
/ 100
moderate-risk
Severity 21/34 · High
Exploitability 1/34 · Minimal
Exposure 16/34 · Moderate