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-2018-20394

29
FAUCET Score

CVE-2018-20394 is a critical vulnerability affecting several Thomson (Technicolor) DWG and TWG series devices, including models like DWG849 and TWG870. This flaw allows remote attackers to discover sensitive credentials by sending specific SNMP requests. With a CVSS score of 9.8, it presents a critical risk due to its network-based attack vector, low complexity, and high impact on confidentiality, integrity, and availability. Despite its severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
stc0.01.16CPE matchmatch criteria
cpe:2.3:o:technicolor:dwg849_firmware:stc0.01.16:*:*:*:*:*:*:*
st9c.05.25CPE matchmatch criteria
cpe:2.3:o:technicolor:dwg850-4_firmware:st9c.05.25:*:*:*:*:*:*:*
st80.20.26CPE matchmatch criteria
cpe:2.3:o:technicolor:dwg855_firmware:st80.20.26:*:*:*:*:*:*:*
stb2.01.36CPE matchmatch criteria
cpe:2.3:o:technicolor:twg870_firmware:stb2.01.36:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.51%
Probability of exploitation in next 30 days
EPSS Percentile
71.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0151 is in the 59th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / ezelf/sensitivesOids/blob/master/oidpassswordleaks.csv
Third Party Advisory
misteralfa-hack.blogspot.com / 2018/12/stringbleed-y-ahora-que-passwords-leaks.html
ExploitThird Party Advisory