SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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.

HIGH 7.5EPSS 7.30%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (7.30%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
7.30% probability · 94th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-22
Affected
huawei/hg255s-10 firmware
Source
psirt@huawei.com
EPSS trend
0%5%10%21 September 2026: 5.38%22 September 2026: 7.30%27 October 2026: 7.30%21 September 202627 October 2026

EPSS moved from 5.4% on 21 September 2026 to 7.3% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.