How severe is CVE-2025-34035?

CVE-2025-34035 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-34035 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-34035?

CVE-2025-34035 primarily affects Engeniustech Esr300 Firmware. In total, 52 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-34035?

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

Does CVE-2025-34035 have an EU (EUVD) identifier?

Yes. CVE-2025-34035 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18966.

When was CVE-2025-34035 published?

CVE-2025-34035 was published on 2025-06-24 and last updated on 2026-06-17.

CVE-2025-34035

CVE-2025-34035 is a critical-severity vulnerability in Engeniustech Esr300 Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 12% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 10.0
EPSS exploit prediction: 12% (96th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-18966
Weakness: CWE-78
Affected product: Engeniustech Esr300 Firmware
Published: 2025-06-24
Last modified: 2026-06-17

Description

An OS command injection vulnerability exists in EnGenius EnShare Cloud Service version 1.4.11 and earlier. The usbinteract.cgi script fails to properly sanitize user input passed to the path parameter, allowing unauthenticated remote attackers to inject arbitrary shell commands. The injected commands are executed with root privileges, leading to full system compromise. Exploitation evidence was observed by the Shadowserver Foundation on 2024-12-05 UTC.

Frequently asked questions

What is CVE-2025-34035?: An OS command injection vulnerability exists in EnGenius EnShare Cloud Service version 1.4.11 and earlier. The usbinteract.cgi script fails to properly sanitize user input passed to the path parameter, allowing unauthenticated remote attackers to inject arbitrary shell commands. The injected commands are executed with root privileges, leading to full system compromise. Exploitation evidence was observed by the Shadowserver Foundation on 2024-12-05 UTC.
How severe is CVE-2025-34035?: CVE-2025-34035 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-34035 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-34035?: CVE-2025-34035 primarily affects Engeniustech Esr300 Firmware. In total, 52 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-34035?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-34035 have an EU (EUVD) identifier?: Yes. CVE-2025-34035 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18966.
When was CVE-2025-34035 published?: CVE-2025-34035 was published on 2025-06-24 and last updated on 2026-06-17.

References

Affected products (52)

cpe:2.3:o:engeniustech:esr300_firmware:1.1.0.28:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr300_firmware:1.3.1.42:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr300_firmware:1.4.0:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr300_firmware:1.4.1.28:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr300_firmware:1.4.2:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr300_firmware:1.4.7:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr300_firmware:1.4.9:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr350_firmware:1.1.0.29:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr350_firmware:1.3.1.41:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr350_firmware:1.4.0:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr350_firmware:1.4.2:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr350_firmware:1.4.5:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr350_firmware:1.4.9:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr350_firmware:1.4.11:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr600_firmware:1.1.0.50:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr600_firmware:1.2.1.46:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr600_firmware:1.3.1.63:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr600_firmware:1.4.0.23:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr600_firmware:1.4.1:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr600_firmware:1.4.2:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr600_firmware:1.4.3:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr600_firmware:1.4.5:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr600_firmware:1.4.9:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr600_firmware:1.4.11:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr900_firmware:1.1.0:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr900_firmware:1.2.2.23:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr900_firmware:1.3.0:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr900_firmware:1.3.1.26:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr900_firmware:1.3.5.18:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr900_firmware:1.4.0:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr900_firmware:1.4.3:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr900_firmware:1.4.5:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr1200_firmware:1.1.0:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr1200_firmware:1.3.1.34:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr1200_firmware:1.4.1:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr1200_firmware:1.4.3:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr1200_firmware:1.4.5:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr1750_firmware:1.1.0:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr1750_firmware:1.2.2.27:*:*:*:*:*:*:*
cpe:2.3:o:engeniustech:esr1750_firmware:1.3.0:*:*:*:*:*:*:*

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