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).
CVE-2017-8772
CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence
Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-17. NVD baseline CVSS 9.8; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.8Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.8
- EG Score
- 9.8(medium)
- EPSS
- 69.3%
- KEV
- Not listed
Published
September 20, 2017
Last Modified
May 13, 2026
References (2)
- cve@mitrehttp://www.digitalwhisper.co.il/files/Zines/0x56/DW86-1-RepeaterHack.pdf
- af854a3a-2127-422b-91ae-364da2661108http://www.digitalwhisper.co.il/files/Zines/0x56/DW86-1-RepeaterHack.pdf
Frequently asked(5)
What is CVE-2017-8772?
CVE-2017-8772 is a critical vulnerability published on September 20, 2017. 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).
When was CVE-2017-8772 disclosed?
CVE-2017-8772 was first published in the National Vulnerability Database on September 20, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-8772 actively exploited?
CVE-2017-8772 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 69.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-8772?
CVE-2017-8772 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2017-8772?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-8772, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
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