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Exploited vulnerability · CISA KEV

Is CVE-2016-10174 exploited? Yes: in CISA KEV since 25 Mar 2022

Gociux · NETGEAR WNR2000v5 Router · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2016-10174, NETGEAR WNR2000v5 Router Buffer Overflow Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 25 Mar 2022, 1880 days after it was published. It affects NETGEAR WNR2000v5 Router. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 25 Mar 2022
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity9.8CVSS 3.1 · critical
US federal due15 Apr 2022BOD 22-01 deadline

What it is

The NETGEAR WNR2000v5 router contains a buffer overflow which can be exploited to achieve remote code execution.

VendorNETGEAR (8 exploited CVEs in KEV)
ProductWNR2000v5 Router
VulnerabilityNETGEAR WNR2000v5 Router Buffer Overflow Vulnerability
WeaknessCWE-119
Published30 Jan 2017
Added to KEV25 Mar 2022
Reported by (CNA)mitre

What to do

  1. Check whether you run it. Look for WNR2000v5 Router 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 30 Jan 2017.
  4. Get told next time. Email alerts when CISA adds a CVE for NETGEAR.

References

Questions

Is CVE-2016-10174 being exploited?

Yes. CISA added CVE-2016-10174 to the Known Exploited Vulnerabilities catalog on 25 Mar 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2016-10174 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-2016-10174?

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 WNR2000v5 Router 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 March 2022 · NETGEAR scorecard · act-now radar.

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