How severe is CVE-2025-15137?

CVE-2025-15137 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-15137 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-15137?

CVE-2025-15137 affects Trendnet Tew-800mb Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-15137?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-15137 have an EU (EUVD) identifier?

Yes. CVE-2025-15137 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-205511.

When was CVE-2025-15137 published?

CVE-2025-15137 was published on 2025-12-28 and last updated on 2026-06-17.

CVE-2025-15137

CVE-2025-15137 is a high-severity vulnerability in Trendnet Tew-800mb Firmware with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 10% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-77.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
CVSS v4: 7.4
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-205511
Weakness: CWE-77
Affected product: Trendnet Tew-800mb Firmware
Published: 2025-12-28
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-15137?: 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.
How severe is CVE-2025-15137?: CVE-2025-15137 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-15137 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-15137?: CVE-2025-15137 affects Trendnet Tew-800mb Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-15137?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-15137 have an EU (EUVD) identifier?: Yes. CVE-2025-15137 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-205511.
When was CVE-2025-15137 published?: CVE-2025-15137 was published on 2025-12-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:trendnet:tew-800mb_firmware:1.0.1.0:*:*:*:*:*:*:*

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CVE-2025-15136 — High (CVSS 8.8): A security vulnerability has been detected in TRENDnet TEW-800MB 1.0.1.0. Affected is the function do_setWizard_asp of…
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