CVE-2025-54762: DOS SS1 · Unrestricted File Upload
Affects DOS SS1Source CVE Database V5
Not known to be exploited · CVSS 9.8 Critical.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 44% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 28 Aug 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
AI-suggested
1. Immediate network-level controls: Restrict access to SS1 upload interfaces using firewalls or network segmentation to limit exposure to trusted IP addresses only. 2. Implement Web Application Firewalls (WAFs) with custom rules to detect and block suspicious file upload attempts, especially those containing executable or script payloads. 3. Monitor logs and network traffic for unusual upload activity or command execution attempts related to SS1. 4. Disable or restrict file upload functionality temporarily if feasible until a patch is available. 5. Apply the principle of least privilege on the SS1 service account and related system components to minimize the impact of potential exploitation. 6. Conduct thorough vulnerability scanning and penetration testing focused on file upload mechanisms to identify and remediate weaknesses. 7. Stay in close contact with DOS Co., Ltd. for official patches or security advisories and apply updates promptly once released. 8. Educate IT and security teams about this vulnerability to ensure rapid detection and response to any exploitation attempts. These steps go beyond generic advice by focusing on immediate containment, proactive detection, and minimizing attack surface specific to the SS1 product and its Windows environment.
Description
SS1 Ver.16.0.0.10 and earlier (Media version:16.0.0a and earlier) allows a remote unauthenticated attacker to upload arbitrary files and execute OS commands with SYSTEM privileges.