Information disclosure in Netgear Wndr4500

CVE-2016-5638

There are few web pages associated with the genie app on the Netgear WNDR4500 running firmware version V1.0.1.40_1.0.6877. Genie app adds some capabilities over the Web GUI and can be accessed even when you are away from home. A remote attacker can access genie_ping.htm or genie_ping2.htm or genie_ping3.htm page without authentication. Once accessed, the page will be redirected to the aCongratulations2.htma page, which reveals some sensitive information such as 2.4GHz & 5GHz Wireless Network Name (SSID) and Network Key (Password) in clear text.

EPSS: 0.028 (85.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cret@cert.org (VDB Entry, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2016-5638?
CVE-2016-5638 is a high-severity vulnerability in Netgear Wndr4500, classified under Cleartext Transmission of Sensitive Information. CVSS score: 7.5/10. Published 2018-07-24.
How severe is CVE-2016-5638?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2016-5638 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.