Vulnerability · Published May 7, 2024 · Assigned by zdi

CVE-2021-34983NETGEAR Multiple Routers httpd Missing Authentication for Critical Function Information Disclosure Vulnerability

Medium 6.5

In plain English

A medium-severity missing authentication 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 0.3% (higher than 26% of all known vulnerabilities).

Severity (CVSS 3.0)6.5Medium

Exploit odds (30 days)0.3%top 73.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

NETGEAR Multiple Routers httpd Missing Authentication for Critical Function Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of multiple NETGEAR routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the httpd service, which listens on TCP port 80 by default. The issue results from the lack of authentication prior to allowing access to system configuration information. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-13708.

Affected products (as reported)

Vendor	Product	Versions
NETGEAR	Multiple Routers	V1.0.11.116_10.2.100

Weakness: CWE-306 · Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

ZDI-21-1275 x_research-advisory
vendor-provided URL vendor-advisory