CVE-2017-17309 — Huawei HG255s-10 V100R001C163B025SP02 has a path traversal vulnerability due to

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.

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
Huawei Technologies Co., Ltd.	HG255s	10 — V100R001C163B025SP02

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2018-06-14T14:00:00.000Z
• Last modified: 2024-08-05T20:51:30.488Z

09References

• www.huawei.com — http://www.huawei.com/en/psirt/security-notices/2017/huawei-sn-20170911-01-hg255…
• packetstormsecurity.com — http://packetstormsecurity.com/files/155954/Huawei-HG255-Directory-Traversal.htm…