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Vulnerability record · CVE-2017-8772 · published 20 September 2017

CVE-2017-8772: Twsz wifi repeater firmware hard-coded credentials vulnerability

Twsz · Wifi Repeater Firmware

On BE126 WIFI repeater 1.0 devices, an attacker can log into telnet (which is open by default) with default credentials as root (username:"root" password:"root") and can: 1. Read the entire file system; 2. Write to the file system; or 3. Execute any code that attacker desires (malicious or not).

9.8 CVSS 3.0 Critical EPSS 1.4% · top 28.5% CWE-798 · Hard-coded credentials
9.8CVSS 3.0 base score, v2 10.0
1.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

On BE126 WIFI repeater 1.0 devices, an attacker can log into telnet (which is open by default) with default credentials as root (username:"root" password:"root") and can: 1. Read the entire file system; 2. Write to the file system; or 3. Execute any code that attacker desires (malicious or not).

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-8772), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.