How severe is CVE-2017-8770?

CVE-2017-8770 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2017-8770 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-8770?

CVE-2017-8770 affects Twsz Wifi Repeater Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-8770?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-8770 published?

CVE-2017-8770 was published on 2017-09-20 and last updated on 2026-06-17.

CVE-2017-8770

CVE-2017-8770 is a high-severity vulnerability in Twsz Wifi Repeater Firmware with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 10% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-200.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Twsz Wifi Repeater Firmware
Published: 2017-09-20
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2017-8770?: CVE-2017-8770 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2017-8770 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-8770?: CVE-2017-8770 affects Twsz Wifi Repeater Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-8770?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-8770 published?: CVE-2017-8770 was published on 2017-09-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:twsz:wifi_repeater_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Twsz Wifi Repeater Firmware

CVE-2017-8772 — Critical (CVSS 9.8): On BE126 WIFI repeater 1.0 devices, an attacker can log into telnet (which is open by default) with default credentials…
CVE-2017-8771 — Critical (CVSS 9.8): On BE126 WIFI repeater 1.0 devices, an attacker can log into telnet (which is open by default) with default credentials…
CVE-2017-13713 — High (CVSS 8.8): T&W WIFI Repeater BE126 allows remote authenticated users to execute arbitrary code via shell metacharacters in the…

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