How severe is CVE-2016-5638?

CVE-2016-5638 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2016-5638 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-5638?

CVE-2016-5638 affects Netgear Wndr4500 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-5638?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-5638 published?

CVE-2016-5638 was published on 2018-07-24 and last updated on 2026-06-17.

CVE-2016-5638

CVE-2016-5638 is a high-severity vulnerability in Netgear Wndr4500 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Netgear Wndr4500 Firmware
Published: 2018-07-24
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2016-5638?: CVE-2016-5638 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2016-5638 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-5638?: CVE-2016-5638 affects Netgear Wndr4500 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-5638?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-5638 published?: CVE-2016-5638 was published on 2018-07-24 and last updated on 2026-06-17.

References

https://packetstormsecurity.com/files/140342/Netgear-DGN2200-DGND3700-WNDR4500-Information-Disclosure.html

Affected products (1)

cpe:2.3:o:netgear:wndr4500_firmware:1.0.1.40_1.0.6877:*:*:*:*:*:*:*

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