CVE-2025-26389
published 2025-05-13CVE-2025-26389: A vulnerability has been identified in OZW672 (All versions < V8.0), OZW772 (All versions < V8.0). The web service in affected devices does not sanitize the…
PriorityP272critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
0.82%
52.7th percentile
A vulnerability has been identified in OZW672 (All versions < V8.0), OZW772 (All versions < V8.0). The web service in affected devices does not sanitize the input parameters required for the `exportDiagramPage` endpoint. This could allow an unauthenticated remote attacker to execute arbitrary code with root privileges.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| siemens | ozw672 | < V8.0 | V8.0 |
| siemens | ozw672_firmware | < 8.0 | 8.0 |
| siemens | ozw772 | < V8.0 | V8.0 |
| siemens | ozw772_firmware | < 8.0 | 8.0 |
Detection & IOCsextracted from sources · hover to see the quote
- →Monitor HTTP requests targeting the `exportDiagramPage` endpoint on OZW672/OZW772 web services for unsanitized or shell-special-character-containing input parameters, which may indicate OS command injection attempts. ↗
- →Flag unauthenticated remote requests to the `exportDiagramPage` endpoint — exploitation requires no credentials (PR:N, UI:N), so any external/unauthenticated access to this endpoint is suspicious. ↗
- →Alert on processes spawned by the OZW web service running as root, particularly shell processes, which may indicate successful command injection via the exportDiagramPage endpoint. ↗
- ·Vulnerability affects all OZW672 and OZW772 firmware versions prior to V8.0; devices running V8.0 or later are not affected by CVE-2025-26389. ↗
- ·No known public exploitation has been reported at time of advisory publication, but the attack complexity is low and no authentication is required, making exploitation straightforward once the endpoint is reachable. ↗
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv4.010.0CRITICALCVSS: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
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CISA ICS
Siemens OZW Web Servers
cisa_ics·2025-05-15·CVSS 10.0
[CRITICAL] Siemens OZW Web Servers
ICS Advisory
##
Siemens OZW Web Servers
Release DateMay 15, 2025
Alert CodeICSA-25-135-10
Related topics:
Industrial Control System Vulnerabilities, Industrial Control Systems
As of January 10, 2023, CISA will no longer be updating ICS security advisories for Siemens product vulnerabilities beyond the initial advisory. For the most up-to-date information on vulnerabilities in this advisory, please see Siemens' ProductCERT Security Advisories (CERT Services | Services | Siemens Global).
View CSAF
## 1. EXECUTIVE SUMMARY
- CVSS v4 10.0
- ATTENTION: Exploitable remotely/low attack complexity
- Vendor: Siemens
- Equipment: OZW Web Servers
- Vulnerabilities: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection'), Improper N
GHSA
GHSA-mhmm-4g6x-6p5g: A vulnerability has been identified in OZW672 (All versions < V8
ghsa_unreviewed·2025-05-13
CVE-2025-26389 [CRITICAL] CWE-78 GHSA-mhmm-4g6x-6p5g: A vulnerability has been identified in OZW672 (All versions < V8
A vulnerability has been identified in OZW672 (All versions < V8.0), OZW772 (All versions < V8.0). The web service in affected devices does not sanitize the input parameters required for the `exportDiagramPage` endpoint. This could allow an unauthenticated remote attacker to execute arbitrary code with root privileges.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2025-05-13
Published