How severe is CVE-2017-17309?

CVE-2017-17309 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-2017-17309 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-17309?

CVE-2017-17309 affects Huawei Hg255s-10 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-17309?

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-2017-17309 published?

CVE-2017-17309 was published on 2018-06-14 and last updated on 2026-06-17.

CVE-2017-17309

CVE-2017-17309 is a high-severity vulnerability in Huawei Hg255s-10 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 7% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Huawei Hg255s-10 Firmware
Published: 2018-06-14
Last modified: 2026-06-17

Description

Huawei HG255s-10 V100R001C163B025SP02 has a path traversal vulnerability due to insufficient validation of the received HTTP requests, a remote attacker may access the local files on the device without authentication.

Frequently asked questions

What is CVE-2017-17309?: Huawei HG255s-10 V100R001C163B025SP02 has a path traversal vulnerability due to insufficient validation of the received HTTP requests, a remote attacker may access the local files on the device without authentication.
How severe is CVE-2017-17309?: CVE-2017-17309 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-2017-17309 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-17309?: CVE-2017-17309 affects Huawei Hg255s-10 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-17309?: 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-2017-17309 published?: CVE-2017-17309 was published on 2018-06-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:huawei:hg255s-10_firmware:v100r001c163b025sp02:*:*:*:*:*:*:*

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