9.8

CVE-2022-38556: trendnet tew733gr Improper Authentication

CVSS: 9.8v3.1CriticalModified
Published 28-08-2022Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2022-38556 is a critical (CVSS 9.8) Improper Authentication vulnerability in trendnet tew733gr. EPSS estimates a 1.11% chance of exploitation in the next 30 days, higher than 65.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
1.11%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 28-08-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

Trendnet TEW733GR v1.03B01 contains a Static Default Credential vulnerability in /etc/init0.d/S80telnetd.sh.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.11%

Chance of exploitation in the next 30 days

Percentile

66%

Versus all other CVEs

30-day change

0.00 pp

From 1.11% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.11%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Vuln

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Trendnet1 product

1 vendor · 1 product

References

1 links