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VulnerabilityPublished

CVE-2026-75160: X-Serie Gateway Firmware · Improper Privilege Management

Source CVE Database V5

0

Not known to be exploited · CVSS 9.1 Critical.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 3.1 base score
9.1Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.6% chance of exploitation in 30 days – higher than 48% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 4 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

AI-suggested

Until an official fix is available, restrict network access to the affected endpoints and monitor for suspicious activity related to these CGI scripts. Avoid exposing the device to untrusted networks.

Description

An issue in X-Serie Gateway Firmware V6_00_05 allows a remote attacker to escalate privileges via the endpoints /cgi-bin/wwwugw.cgi and /cgi-bin/ugwdownload.cgi.

References

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