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VulnerabilityPublished Updated

CVE-2025-15137: TRENDnet TEW-800MB · Command Injection

Affects TRENDnet TEW-800MBSource CVE Database V5

0

Public exploit available · 11% EPSS · CVSS 8.7 High.

Data as of 26 Oct 2026, 10:12 UTC

CVSS 4.0 base score
8.7High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
11.3% chance of exploitation in 30 days – higher than 95% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 28 Dec 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: evidence found.

    CVSS exploit maturity: proof of concept public

  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), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
TRENDnet TEW-800MBAffected
  • =1.0.1.0
Fixed in–

AI-suggested

Given the absence of an official patch, organizations should implement immediate compensating controls. First, isolate the affected TRENDnet TEW-800MB devices from untrusted networks, restricting access to management interfaces via network segmentation and firewall rules. Disable remote management features if enabled, especially those accessible from the internet. Monitor network traffic for unusual patterns or command injection attempts targeting NTPSyncWithHost.cgi or related CGI scripts. Replace affected devices with updated models or alternative vendors that provide timely security updates. If replacement is not immediately feasible, consider deploying network intrusion detection/prevention systems (IDS/IPS) with signatures targeting this vulnerability's exploit patterns. Regularly audit device firmware versions and configurations to ensure no unauthorized changes have occurred. Maintain strict network access controls and enforce least privilege principles for device management. Finally, maintain awareness of vendor communications for any future patches or advisories.

Description

A vulnerability was detected in TRENDnet TEW-800MB 1.0.1.0. Affected by this vulnerability is the function sub_F934  of the file NTPSyncWithHost.cgi. The manipulation results in command injection. The attack may be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

References

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