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CVE-2018-21124

25
FAUCET Score

CVE-2018-21124 describes a privilege escalation vulnerability affecting NETGEAR WAC510 devices running firmware versions prior to 5.0.0.17. This high-severity vulnerability (CVSS 8.8) can be exploited by an unauthenticated attacker on the adjacent network with low complexity, potentially leading to full compromise of the device (confidentiality, integrity, and availability). There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.0.0.17CPE matchmatch criteria
cpe:2.3:o:netgear:wac505_firmware:*:*:*:*:*:*:*:*
< 5.0.0.17CPE matchmatch criteria
cpe:2.3:o:netgear:wac510_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.60%
Probability of exploitation in next 30 days
EPSS Percentile
45.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0060 is in the 46th percentile among its peer group of 1,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

kb.netgear.com / 000060234/Security-Advisory-for-a-Vertical-Privilege-Escalation-on-WAC510-PSV-2018-0260
Vendor Advisory