How severe is CVE-2017-11435?

CVE-2017-11435 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-11435 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-2017-11435?

CVE-2017-11435 affects Humaxdigital Hg100r Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-11435?

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

When was CVE-2017-11435 published?

CVE-2017-11435 was published on 2017-07-19 and last updated on 2026-06-17.

CVE-2017-11435

CVE-2017-11435 is a critical-severity vulnerability in Humaxdigital Hg100r Firmware with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Humaxdigital Hg100r Firmware
Published: 2017-07-19
Last modified: 2026-06-17

Description

The Humax Wi-Fi Router model HG100R-* 2.0.6 is prone to an authentication bypass vulnerability via specially crafted requests to the management console. The bug is exploitable remotely when the router is configured to expose the management console. The router is not validating the session token while returning answers for some methods in url '/api'. An attacker can use this vulnerability to retrieve sensitive information such as private/public IP addresses, SSID names, and passwords.

Frequently asked questions

What is CVE-2017-11435?: The Humax Wi-Fi Router model HG100R-* 2.0.6 is prone to an authentication bypass vulnerability via specially crafted requests to the management console. The bug is exploitable remotely when the router is configured to expose the management console. The router is not validating the session token while returning answers for some methods in url '/api'. An attacker can use this vulnerability to retrieve sensitive information such as private/public IP addresses, SSID names, and passwords.
How severe is CVE-2017-11435?: CVE-2017-11435 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-11435 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-2017-11435?: CVE-2017-11435 affects Humaxdigital Hg100r Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-11435?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-11435 published?: CVE-2017-11435 was published on 2017-07-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:humaxdigital:hg100r_firmware:2.0.6:*:*:*:*:*:*:*

More vulnerabilities in Humaxdigital Hg100r Firmware

CVE-2017-7317 — Critical (CVSS 9.8): An issue was discovered on Humax Digital HG100 2.0.6 devices. The attacker can find the root credentials in the backup…
CVE-2017-7315 — Critical (CVSS 9.8): An issue was discovered on Humax Digital HG100R 2.0.6 devices. To download the backup file it's not necessary to use…
CVE-2017-7316 — Medium (CVSS 6.1): An issue was discovered on Humax Digital HG100R 2.0.6 devices. There is XSS on the 404 page.

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