Vulnerability · Published Oct 13, 2020 · Assigned by zdi

CVE-2020-17409

Medium 6.5

In plain English

A medium-severity authentication bypass in Multiple Routers from NETGEAR. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities).

Severity (CVSS 3.0)6.5Medium

Exploit odds (30 days)0.7%top 46.8% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
NETGEAR	Multiple Routers	1.0.66

Weakness: CWE-288 · Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

https://www.zerodayinitiative.com/advisories/ZDI-20-1176/ x_refsource_MISC
https://kb.netgear.com/000062304/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-PSV-2020-0258 x_refsource_MISC