Findings

Vulnerability · CVE-2017-7577

xiongmaitech uc-httpd Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Published May 22, 2026 · corrected/updated May 22, 2026 · xiongmaitech uc-httpd · evidence confidence very high

XiongMai uc-httpd has directory traversal allowing the reading of arbitrary files via a "GET ../" HTTP request. VulnCheck canary evidence. Initial-access exploit intelligence.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2017-7577 is a unknown public vulnerability record for xiongmaitech uc-httpd. CISA lists it as known exploited. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether xiongmaitech uc-httpd is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: xiongmaitech uc-httpd. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: EPSS 28.3%. CISA lists it as known exploited. Sources contributing to this record: epss, vulncheck_kev. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Confirmed in CISA KEV since May 22, 2026. Listed in CISA KEV and VulnCheck KEV.

  • Patch and remediation

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 22, 2026 · VulnCheck KEV

    Detected

    XiongMai uc-httpd has directory traversal allowing the reading of arbitrary files via a "GET ../" HTTP request. VulnCheck canary evidence. Initial-access exploit intelligence.

  2. May 22, 2026 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected

  • vendor xiongmaitech uc-httpdversion unspecified

Sources

  • FIRST EPSSExploitation probabilityCVE-2017-7577

    30-day exploitation probability 28.3%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2017-7577

    XiongMai uc-httpd has directory traversal allowing the reading of arbitrary files via a "GET ../" HTTP request.

    vulncheck.com

References