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CVE-2021-27275

66
FAUCET Score

CVE-2021-27275 is a path traversal vulnerability affecting NETGEAR ProSAFE Network Management System 1.6.0.26, allowing remote attackers to disclose sensitive information and delete arbitrary files. Despite requiring authentication, the existing mechanism can be bypassed. With a CVSS score of 8.3 (HIGH), this vulnerability is easily exploitable over the network with low attack complexity, leading to high confidentiality and availability impacts, and low integrity impact. While the EPSS score indicates a high likelihood of exploitation, there is currently no public exploit code, Metasploit modules, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
1.6.0.26CPE matchmatch criteria
cpe:2.3:a:netgear:prosafe_network_management_system:1.6.0.26:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.3HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.5
CvssVersion
3.0

Exploit Intelligence

EPSS Score
73.32%
Probability of exploitation in next 30 days
EPSS Percentile
99.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.7332 is in the 99th percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 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 0.1 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 / 000062687/Security-Advisory-for-Denial-of-Service-on-NMS300-PSV-2020-0561
Vendor Advisory
zerodayinitiative.com / advisories/ZDI-21-358
Third Party AdvisoryVDB Entry