What is CVE-2017-8770?

CVE-2017-8770 is a high-severity vulnerability in Twsz Wifi Repeater, classified under Information Disclosure. CVSS score: 7.5/10. Published 2017-09-20.

How severe is CVE-2017-8770?

High severity. CVSS v3 base score is 7.5 out of 10.

Information disclosure in Twsz Wifi Repeater

CVE-2017-8770

There is LFD (local file disclosure) on BE126 WIFI repeater 1.0 devices that allows attackers to read the entire filesystem on the device via a crafted getpage parameter.

Vulnerability class: Information Disclosure

Published 2017-09-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.103 (95.6th percentile), scored 2026-10-01.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.103 · newest: 0.103 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

www.digitalwhisper.co.il/files/Zines/0x56/DW86-1-RepeaterHack.pdf (Technical Description, Third Party Advisory)
www.exploit-db.com/exploits/42547/ (Exploit, VDB Entry, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2017-8770?: CVE-2017-8770 is a high-severity vulnerability in Twsz Wifi Repeater, classified under Information Disclosure. CVSS score: 7.5/10. Published 2017-09-20.
How severe is CVE-2017-8770?: High severity. CVSS v3 base score is 7.5 out of 10.