CVE-2017-6862
Published: June 8, 2022
Official Description
Multiple NETGEAR devices contain a buffer overflow vulnerability that allows for authentication bypass and remote code execution.
CISA KEV Advisory
NETGEAR Multiple Devices Buffer Overflow Vulnerability
Multiple NETGEAR devices contain a buffer overflow vulnerability that allows for authentication bypass and remote code execution.
Apply updates per vendor instructions.
Risk Analysis
This high-severity buffer overflow vulnerability in multiple NETGEAR devices allows for authentication bypass and remote code execution. The high EPSS score of 0.43308 indicates a significant likelihood of exploitation, and its presence in CISA's KEV catalog confirms it has been actively exploited.
This vulnerability has been observed in active exploitation in the wild, making it an urgent concern. It is remotely exploitable.
Update affected NETGEAR devices to the latest firmware versions. Implement network segmentation to limit exposure of management interfaces.
Technical Analysis
CVE-2017-6862 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2017-6862 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Exploit & PoC Resources
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2017-6862 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1