Known exploited vulnerability
CVE-2017-6862
The short answer
CVE-2017-6862 affects n/a NETGEAR All versions prior to WNR2000v3 1.1.2.14, WNR2000v4 1.0.0.66, WNR2000v5 1.0.0.42 and is rated critical (CVSS 9.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-06-08: attackers are using it, so patch it first.
What it is
NETGEAR WNR2000v3 devices before 1.1.2.14, WNR2000v4 devices before 1.0.0.66, and WNR2000v5 devices before 1.0.0.42 allow authentication bypass and remote code execution via a buffer overflow that uses a parameter in the administration webapp. The NETGEAR ID is PSV-2016-0261.
Weakness: CWE-120.
Severity
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Jun 8, 2022
Federal due date Jun 22, 2022
EPSS, next 30 days
46%
Higher than 99% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply updates per vendor instructions.
Affected products
NETGEAR All versions prior to WNR2000v3 1.1.2.14, WNR2000v4 1.0.0.66, WNR2000v5 1.0.0.42. NVD's record lists the exact affected versions.
References
- kb.netgear.com/000038542/Security-Advisory-for-Unauthenticated-Remote-Code-Execution-on-Some-Routers-PSV-2016-0261 Vendor Advisory
- www.on-x.com/sites/default/files/on-x_-_security_advisory_-_netgear_wnr2000v5_-_cve-2017-6862.pdf Broken Link
- kb.netgear.com/000038542/Security-Advisory-for-Unauthenticated-Remote-Code-Execution-on-Some-Routers-PSV-2016-0261 Vendor Advisory
- www.on-x.com/sites/default/files/on-x_-_security_advisory_-_netgear_wnr2000v5_-_cve-2017-6862.pdf Broken Link
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-6862 US Government Resource
Questions
Is CVE-2017-6862 being exploited?
Yes. CISA added CVE-2017-6862 to its Known Exploited Vulnerabilities catalog on 2022-06-08, with a federal remediation due date of 2022-06-22.
How do I fix CVE-2017-6862?
CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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