7.8

CVE-2021-20157: trendnet tew-827dru_firmware

CVSS: 7.8v2.0HighModified
Published 30-12-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-20157 is a high (CVSS 7.8) vulnerability in trendnet tew-827dru_firmware. EPSS estimates a 1.55% chance of exploitation in the next 30 days, higher than 74.8% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
42/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v2.0 (NVD)
EPSS score
1.55%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 30-12-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

It is possible for an unauthenticated, malicious user to force the device to reboot due to a hidden administrative command.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.55%

Chance of exploitation in the next 30 days

Percentile

75%

Versus all other CVEs

30-day change

0.00 pp

From 1.55% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.55%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (tenable.com)

    Maturity: unknown

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Trendnet1 product

1 vendor · 1 product

References

1 links