CVE-2025-34035Epg5000 Firmware OS Command Injection
An OS command injection vulnerability exists in EnGenius EnShare Cloud Service version 1.4.11 and earlier.
Published Jun 23, 2025 · Updated Apr 7, 2026
Key Facts
Patch immediately- CVE-2025-34035 is a critical-severity vulnerability (CVSS 10.0 v4) affecting Epg5000 Firmware (Engeniustech), Esr1200 Firmware (Engeniustech), Esr1750 Firmware (Engeniustech) and 5 more products.
- It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Jun 23, 2025. Public exploit code is available.
- EPSS estimates a 23% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
CVSS v4
10.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS (30-day exploit likelihood)
23%
Higher than 97.7% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
37/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Jun 23, 2025
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
11
Reports of active use
Advisories And Exploit References
- advisoryVulnCheck exploitation report
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CIRCL KEV | Jun 23, 2025 | n/a | Not reported |
| Industry KEV feed | Jun 23, 2025 | n/a | Not reported |
Affected Products
53 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Epg5000 FirmwareEngeniustech | 1.2.0, 1.3.0, 1.3.2, 1.3.3, 1.3.3.17, 1.3.7.20, 1.3.9.21 | n/a |
| Esr1200 FirmwareEngeniustech | 1.1.0, 1.3.1.34, 1.4.1, 1.4.3, 1.4.5 | n/a |
| Esr1750 FirmwareEngeniustech | 1.1.0, 1.2.2.27, 1.3.0, 1.3.1.34, 1.4.0, 1.4.1, 1.4.3, 1.4.5 | n/a |
| Esr300 FirmwareEngeniustech | 1.1.0.28, 1.3.1.42, 1.4.0, 1.4.1.28, 1.4.2, 1.4.7, 1.4.9 | n/a |
| Esr350 FirmwareEngeniustech | 1.1.0.29, 1.3.1.41, 1.4.0, 1.4.11, 1.4.2, 1.4.5, 1.4.9 | n/a |
Timeline
Publicly disclosed
Jun 23, 2025
Added to CIRCL KEV
Jun 23, 2025
Added to Industry KEV feed
Jun 23, 2025
Last updated
Apr 7, 2026
Weakness Type
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
References
- advisoryVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitcxsecurity.com · WLB-2017060050
- exploitexploit-db.com · 42114
- exploitzeroscience.mk · ZSL-2017-5413.php
FAQ
Common Questions.
An OS command injection vulnerability exists in EnGenius EnShare Cloud Service version 1.4.11 and earlier.
Affected: Epg5000 Firmware (Engeniustech) versions 1.2.0, 1.3.0, 1.3.2, 1.3.3, 1.3.3.17, 1.3.7.20, 1.3.9.21; Esr1200 Firmware (Engeniustech) versions 1.1.0, 1.3.1.34, 1.4.1, 1.4.3, 1.4.5; Esr1750 Firmware (Engeniustech) versions 1.1.0, 1.2.2.27, 1.3.0, 1.3.1.34, 1.4.0, 1.4.1, 1.4.3, 1.4.5, among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Jun 23, 2025.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2025-34035 On Your Attack Surface?
Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.
Request A Demo