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CISA KEV · Known exploitedHigh

CVE-2017-5521

NETGEAR Multiple Devices

An issue was discovered on NETGEAR R8500, R8300, R7000, R6400, R7300, R7100LG, R6300v2, WNDR3400v3, WNR3500Lv2, R6250, R6700, R6900, and R8000 devices. They are prone to password disclosure via simple crafted requests to the web management server. The bug is exploitable remotely if the remote management option is set, and can also be exploited given access to the router over LAN or WLAN. When trying to access the web panel, a user is asked to authenticate; if the authentication is canceled and password recovery is not enabled, the user is redirected to a page that exposes a password recover...

CVSS
8.1
EPSS
89.4%
99.8% percentile
CISA KEV
Listed
Published
2017.01.17
PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV
Exploit probability89.4%
Technical severityCVSS 8.1

Vulnerability overview

An issue was discovered on NETGEAR R8500, R8300, R7000, R6400, R7300, R7100LG, R6300v2, WNDR3400v3, WNR3500Lv2, R6250, R6700, R6900, and R8000 devices. They are prone to password disclosure via simple crafted requests to the web management server. The bug is exploitable remotely if the remote management option is set, and can also be exploited given access to the router over LAN or WLAN. When trying to access the web panel, a user is asked to authenticate; if the authentication is canceled and password recovery is not enabled, the user is redirected to a page that exposes a password recover...

Affected product and versions

Product
NETGEAR Multiple Devices
Affected versions
1.0.1.56 1.0.43, 1.0.2.78 1.0.58, 1.0.0.36, 1.0.0.34 10.0.16, 1.0.2.68 60.0.93, 1.0.0.40 1.0.32, 1.0.2.4 9.1.86, 1.0.1.44 1.0.73, 1.0.0.44, 1.0.0.12, 1.0.0.96, 1.0.0.40, 1.0.0.68
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
CISA required action

Apply updates per vendor instructions. If the affected device has since entered end-of-life, it should be disconnected if still in use.

Due date: 2022.09.29
  1. 1
    Identify

    Confirm that NETGEAR Multiple Devices and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-200
KEV added
2022.09.08
Ransomware use
미확인
CVE-2017-5521 — NETGEAR Multiple Devices | SECUFOCUS NOW