Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2020-15635

22
FAUCET Score

CVE-2020-15635 is a critical stack-based buffer overflow vulnerability affecting NETGEAR R6700 routers running firmware 1.0.4.84_10.0.58. This flaw, residing in the acsd service (TCP port 5916), allows unauthenticated, network-adjacent attackers to execute arbitrary code with administrative privileges. With a CVSS score of 8.8 (High), it presents a significant risk due to its low attack complexity and complete compromise potential. While no public exploits or active exploitation have been identified, and community discussion is minimal, the vulnerability's severity warrants immediate patching.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.0.4.98CPE matchmatch criteria
cpe:2.3:o:netgear:r6700_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
2.64%
Probability of exploitation in next 30 days
EPSS Percentile
84.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0264 is in the 91st percentile among its peer group of 1,875 CVEs.

Social Chatter

No social media mentions found for this CVE.

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 / 000062127/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-R6700v3-PSV-2020-0202
Vendor Advisory
zerodayinitiative.com / advisories/ZDI-20-936
Third Party AdvisoryVDB Entry