CVE-2017-5521
Published: September 8, 2022
Official Description
Multiple NETGEAR devices are prone to admin password disclosure via simple crafted requests to the web management server.
CISA KEV Advisory
NETGEAR Multiple Devices Exposure of Sensitive Information Vulnerability
Multiple NETGEAR devices are prone to admin password disclosure via simple crafted requests to the web management server.
Apply updates per vendor instructions. If the affected device has since entered end-of-life, it should be disconnected if still in use.
Risk Analysis
This vulnerability in multiple NETGEAR devices allows for the disclosure of admin passwords through simple crafted requests to the web management server. The high EPSS score of 0.93804 indicates a significant likelihood of exploitation, and its presence in the KEV catalog confirms active exploitation, making this a critical vulnerability.
This vulnerability is actively being exploited in the wild. Attackers can remotely disclose admin passwords through crafted requests.
Organizations should apply the latest firmware updates for affected NETGEAR devices. Change default administrator credentials and use strong, unique passwords.
Technical Analysis
CVE-2017-5521 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-2017-5521 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 (2)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2017-5521 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