CVE-2022-41545: c7800 — Fix

Description

The administrative web interface of a Netgear C7800 Router running firmware version 6.01.07 (and possibly others) authenticates users via basic authentication, with an HTTP header containing a base64 value of the plaintext username and password. Because the web server also does not utilize transport security by default, this renders the administrative credentials vulnerable to eavesdropping by an adversary during every authenticated request made by a client to the router over a WLAN, or a LAN, should the adversary be able to perform a man-in-the-middle attack.

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CVSS v3.1 Score

6.4

MEDIUM

CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-319 CWE-319

Affected Products

Vendor	Product	Versions
netgear	c7800_firmware	All
netgear	c7800	All

References

Advisories & Patches

https://www.netgear.com/about/security/

Other References

https://seclists.org/fulldisclosure/2025/Feb/12 https://www.netgear.com/images/datasheet/networking/cablemodems/C7800.pdf http://seclists.org/fulldisclosure/2025/Feb/12

Frequently Asked Questions

What is CVE-2022-41545? +

The administrative web interface of a Netgear C7800 Router running firmware version 6.01.07 (and possibly others) authenticates users via basic authentication, with an HTTP header containing a base64 value of the plaintext username and password. Because the web server also does not utilize transport security by default, this renders the administrative credentials vulnerable to eavesdropping by an adversary during every authenticated request made by a client to the router over a WLAN, or a LAN, should the adversary be able to perform a man-in-the-middle attack. It has a CVSS v3.1 base score of 6.4 (MEDIUM).

How severe is CVE-2022-41545? +

CVE-2022-41545 has a CVSS v3.1 score of 6.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2022-41545? +

CVE-2022-41545 affects products from netgear, specifically: c7800, c7800_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2022-41545? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2022-41545