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Exploited vulnerability · CISA KEV

Is CVE-2017-6862 exploited? Yes: in CISA KEV since 8 Jun 2022

Gociux · NETGEAR Multiple Devices · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2017-6862, NETGEAR Multiple Devices Buffer Overflow Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 8 Jun 2022, 1839 days after it was published. It affects NETGEAR Multiple Devices. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 8 Jun 2022
ransomwareNot knownno confirmed use
EPSStop 5%very likely to be exploited
severity9.8CVSS 3.1 · critical
US federal due22 Jun 2022BOD 22-01 deadline

What it is

Multiple NETGEAR devices contain a buffer overflow vulnerability that allows for authentication bypass and remote code execution.

VendorNETGEAR (8 exploited CVEs in KEV)
ProductMultiple Devices
VulnerabilityNETGEAR Multiple Devices Buffer Overflow Vulnerability
WeaknessCWE-119
Published26 May 2017
Added to KEV8 Jun 2022
Reported by (CNA)netgear

What to do

  1. Check whether you run it. Look for Multiple Devices in your asset inventory, including appliances and cloud images. Stack check lists every exploited NETGEAR CVE at once.
  2. Apply the fix. Apply updates per vendor instructions.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 26 May 2017.
  4. Get told next time. Email alerts when CISA adds a CVE for NETGEAR.

Other exploited CVEs in Multiple Devices

References

Questions

Is CVE-2017-6862 being exploited?

Yes. CISA added CVE-2017-6862 to the Known Exploited Vulnerabilities catalog on 8 Jun 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2017-6862 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2017-6862?

Apply updates per vendor instructions. Check NETGEAR's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Multiple Devices and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in June 2022 · NETGEAR scorecard · act-now radar.

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